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Journal articles on the topic 'Investigation of antimicrobial susceptibility of E'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Rammohan Chitra, Subbiah. "Theoretical Investigation on Antimicrobial Susceptibility Testing Methods." Computational Biology and Bioinformatics 5, no. 2 (2017): 12. http://dx.doi.org/10.11648/j.cbb.20170502.11.

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Meepoo, Wannisa, Tassanee Jaroensong, Chantima Pruksakorn, and Jatuporn Rattanasrisomporn. "Investigation of Bacterial Isolations and Antimicrobial Susceptibility of Chronic Rhinitis in Cats." Animals 12, no. 12 (2022): 1572. http://dx.doi.org/10.3390/ani12121572.

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Chronic rhinitis is a quite common upper respiratory tract (URT) disease in cats. As a result of unclear etiology, frequently, multidrug-resistant bacteria are identified. This study investigated bacterial isolations and an antimicrobial susceptibility test (AST) in chronic rhinitis in cats. The medical records of 395 cats with chronic URT signs were reviewed at the Kasetsart University Veterinary Teaching Hospital (KUVTH) between 2016 and 2021 to survey the underlying causes of URT. Then, apart from rhinitis, other causes were excluded to identify the bacterial species and antimicrobial susce

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3

Zhao, Yufei, Yiping Zhu, Bo Liu, et al. "Antimicrobial Susceptibility of Bacterial Isolates from Donkey Uterine Infections, 2018–2021." Veterinary Sciences 9, no. 2 (2022): 67. http://dx.doi.org/10.3390/vetsci9020067.

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Background: Endometritis is a common reproductive disease in equine animals. No investigation about the bacterial characteristics and antimicrobial susceptibility pattern of donkeys with endometritis has thus far been reported. Objectives: To determine the common uterine bacterial isolates from donkeys with endometritis and to evaluate their susceptibility to antimicrobials used for the treatment thereof. Study design: Retrospective case-series. Methods: Medical records at an equine clinical diagnostic center were retrospectively reviewed to identify submissions from donkeys with bacterial end

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Zhanel, George G., Daryl J. Hoban, and Godfrey KM Harding. "Subinhibitory Antimicrobial Concentrations: A Review of In Vitro and In Vivo Data." Canadian Journal of Infectious Diseases 3, no. 4 (1992): 193–201. http://dx.doi.org/10.1155/1992/793607.

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Antimicrobial activity is not an ‘all or none’ effect. An increase in the rate and extent of antimicrobial action is usually observed over a wide range of antimicrobial concentrations. Subinhibitory antimicrobial concentrations are well known to produce significant antibacterial effects, and various antimicrobials at subinhibitory concentrations have been reported to inhibit the rate of bacterial growth. Bacterial virulence may be increased or decreased by subinhibitory antimicrobial concentrations by changes in the ability of bacteria to adhere to epithelial cells or by alterations in bacteri

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Lüftinger, Lukas, Peter Májek, Thomas Rattei, and Stephan Beisken. "Metagenomic Antimicrobial Susceptibility Testing from Simulated Native Patient Samples." Antibiotics 12, no. 2 (2023): 366. http://dx.doi.org/10.3390/antibiotics12020366.

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Genomic antimicrobial susceptibility testing (AST) has been shown to be accurate for many pathogens and antimicrobials. However, these methods have not been systematically evaluated for clinical metagenomic data. We investigate the performance of in-silico AST from clinical metagenomes (MG-AST). Using isolate sequencing data from a multi-center study on antimicrobial resistance (AMR) as well as shotgun-sequenced septic urine samples, we simulate over 2000 complicated urinary tract infection (cUTI) metagenomes with known resistance phenotype to 5 antimicrobials. Applying rule-based and machine

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Huang, Chienhsiu. "Antimicrobial Susceptibility Patterns and Antimicrobial Therapy of Infections Caused by Elizabethkingia Species." Medicina 60, no. 12 (2024): 1990. https://doi.org/10.3390/medicina60121990.

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Background and Objectives: Elizabethkingia species have become significant sources of infections acquired in hospital settings and are commonly linked to high mortality rates. Antimicrobial resistance can be influenced by Elizabethkingia species, geographical location, antimicrobial susceptibility testing methods, and the time of bacterial isolation. There are distinct antimicrobial susceptibility patterns among species, and the investigation into potential antibiotic susceptibility variations among species is beneficial. There is no guidance on the treatment of Elizabethkingia species infecti

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Nuhay, Çağatay. "Investigation of the Presence and Antimicrobial Susceptibilities of Corynebacterium pseudotuberculosis in Subclinical Mastitis in Cattle Raised in the Aegean Region." Journal of Anatolian Environmental and Animal Sciences 10, no. 2 (2025): 202–7. https://doi.org/10.35229/jaes.1629149.

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Abstract: This study aims to investigate the presence of Corynebacterium pseudotuberculosis and its antimicrobial susceptibility in cattle with subclinical mastitis in the Aegean Region. In 2024, 200 milk samples were collected from dairy farms in the region where subclinical mastitis was identified using the California Mastitis Test. The samples were analyzed through culture, Gram staining, and biochemical testing. Suspected isolates were confirmed using the VITEK 2 system and molecularly identified by PCR targeting the PIP gene. Antimicrobial susceptibility was assessed via the Kirby-Bauer D

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Shehab Khalid Shehab and Rana Kadhim Mohammed. "Role of murA and fosB genes in Fosfomycin Resistance in Staphylococcus aureus isolated from Urinary tract infection patients." Cuestiones de Fisioterapia 54, no. 3 (2025): 1126–37. https://doi.org/10.48047/s7xym825.

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Bacterial infection is difficult to treat due to the presence of resistant pathogenic. This study aimed to investigate the phenotypic and molecular aspects of fosfomycin resistance as indicated by the modifying enzymes FosB and MurA in Staphylococcus aureus isolates from patients with Urinary tract infections (UTIs). This study isolated and identified S. aureus isolates from urine specimens using morphological characteristics of the biochemical tests, culture media, and genotypic identification using the 16S rRNA gene. Investigation of antimicrobial susceptibility for eleven different antimicr

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Kulathunga, D. G. R. S., John C. S. Harding, and Joseph E. Rubin. "Antimicrobial susceptibility of western Canadian Brachyspira isolates: Development and standardization of an agar dilution susceptibility test method." PLOS ONE 18, no. 6 (2023): e0286594. http://dx.doi.org/10.1371/journal.pone.0286594.

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The re-emergence of Brachyspira-associated disease in pigs since the late 2000s has illuminated some of the diagnostic challenges associated with this genus; notably, the lack of standardized antimicrobial susceptibility testing (AST) methods and interpretive criteria. Consequently, laboratories have relied heavily on highly variable in-house developed methods. There are currently no published investigations describing the antimicrobial susceptibility of Brachyspira isolates collected from pigs in Canada. The first objective of this study was therefore to develop a standardized protocol for co

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Salmanov, A. G., L. F. Slepova, O. M. Verner, T. P. Yarema, and P. V. Riabokon. "ANTIMICROBIAL RESISTANCE OF PATHOGENS OF HEALTHCARE-ASSOCIATED INFECTIONS IN SURGERY AND INTENSIVE CARE UNITS." International Journal of Antibiotics and Probiotics 2, no. 2-3 (2018): 41–49. http://dx.doi.org/10.31405/ijap.2-3.18.04.

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OBJECTIVE. To determine resistance to antibiotics of the pathogens of healthcare-associated infections (HAIs) in surgery and intensive care units in Kyiv hospitals. MATERIALS AND METHODS. The investigation included the analysis of 6159 strains from patients with clinical symptoms HAIs. The identification and antimicrobial susceptibility of cultures were determined, using automated microbiology analyzer Vitek 2 Compact (BioMerieux, France). Susceptibility to antibiotics was determined using AST cards (BioMerieux, France). Some antimicrobial susceptibility test used Kirby – Bauer antibioti

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Badger-Emeka, Lorina, Yasmeen Al-Mulhim, Fatimah Al-Muyidi, Maram Busuhail, Salma Alkhalifah, and Norah AlEid. "An Investigation of Potential Health Risks from Zoonotic Bacterial Pathogens Associated with Farm Rats." Environmental Health Insights 14 (January 2020): 117863022094224. http://dx.doi.org/10.1177/1178630220942240.

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Background: The 21st century has seen a wide range of diseases resulting from zoonotic infections, of which bacterial infections have led to outbreaks of food-borne diseases. Aim: The study looks at bacterial pathogen carriage by farm rats and their antimicrobial susceptibility, with the view of providing insights for antimicrobial surveillance. Method: Farm rats of Rattus rattus species where randomly collected alive from farms in Al-Ahsa using food baits. They were anaesthetize with urethane within 4 h of collection and were unconscious for the collection of samples. Basic bacteriological cu

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Carkaci, Derya, Xiaohui C. Nielsen, Kurt Fuursted, et al. "Aerococcus urinae and Aerococcus sanguinicola: Susceptibility Testing of 120 Isolates to Six Antimicrobial Agents Using Disk Diffusion (EUCAST), Etest, and Broth Microdilution Techniques." Open Microbiology Journal 11, no. 1 (2017): 160–66. http://dx.doi.org/10.2174/1874285801711010160.

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Background: Aerococcus urinae and Aerococcus sanguinicola are relatively newcomers and emerging organisms in clinical and microbiological practice. Both species have worldwide been associated with urinary tract infections. More rarely cases of bacteremia/septicemia and infective endocarditis have been reported. Treatment options are therefore important. Just recently, European recommendations on susceptibility testing and interpretive criteria have been released. Objective: In this investigation 120 A. urinae and A. sanguinicola isolates were tested for susceptibility to six antimicrobial agen

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Thang, T. T., H. D. Canh, N. T. N. Tu, et al. "Species distribution and antimicrobial sensitivity pattern of etiologic agents in patients with neonatal sepsis, National Children’s Hospital, Ha Noi, Vietnam, 2019–2021." Russian Journal of Infection and Immunity 14, no. 1 (2024): 133–40. http://dx.doi.org/10.15789/2220-7619-sda-2079.

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Neonatal sepsis is one of the significant causes of morbidity and mortality in neonates, especially in developing countries. This study investigates the species distribution and antimicrobial susceptibility pattern of agents causing neonatal sepsis in a northern hospital in Vietnam. Materials and methods. All in-term neonates treated at the Neonatal Center, National Children’s Hospital, Vietnam between December 2019, and April 2021 who met the clinical criteria for sepsis and positive blood cultures were enrolled. Species identification and antimicrobial susceptibility testing were performed w

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KELMAN, ALINA, YEE-ANN SOONG, NICOLE DUPUY, et al. "Antimicrobial Susceptibility of Staphylococcus aureus from Retail Ground Meats." Journal of Food Protection 74, no. 10 (2011): 1625–29. http://dx.doi.org/10.4315/0362-028x.jfp-10-571.

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The aim of this study was to characterize antimicrobial resistance in Staphylococcus aureus, including methicillin-resistant S. aureus (MRSA), recovered from raw retail meat products purchased in the Washington, D.C., area. From March to August 2008, 694 samples of ground beef (n = 198), ground pork (n = 300), and ground turkey (n = 196) were collected by random sampling from stores of three grocery chains. In total, 200 S. aureus isolates (29%) were recovered by direct plating. When tested for susceptibility to 22 antimicrobials, 69% of the S. aureus isolates were resistant to tetracycline, 2

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Ismayıl, Aynur, Bayram Çolak, Serdar Yormaz, Hatice Türk Dağı, and Salih Maçin. "Investigation Of Causing Microorganisms And Antimicrobial Sensitivity Patterns In Diabetic Foot Wounds." Genel Tıp Dergisi 35, no. 2 (2025): 276–84. https://doi.org/10.54005/geneltip.1586166.

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Abstract Background/Aims: Diabetic foot is the clinical term describing a series of diabetes-related lower extremity complications such as ulceration, infection, and gangrene. Aim of the study is to prospectively investigate the causative aerobic bacteria in diabetic foot ulcer samples, as well as anaerobic bacteria and fungi, which are thought to have an important place in diabetic foot infections. At the same time, the antimicrobial susceptibility of the causative microorganisms obtained from the culture will be investigated. Methods: 59 samples taken from 50 patients with type 2 Diabetes Me

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Kayode, Adeoye John, and Anthony Ifeanyi Okoh. "Antimicrobial-Resistant Listeria monocytogenes in Ready-to-Eat Foods: Implications for Food Safety and Risk Assessment." Foods 12, no. 6 (2023): 1346. http://dx.doi.org/10.3390/foods12061346.

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Antimicrobial resistance is an existential threat to the health sector, with far-reaching consequences in managing microbial infections. In this study, one hundred and ninety-four Listeria monocytogenes isolates were profiled for susceptibility using disc diffusion techniques. Possible foodborne listeriosis risk associated with ready-to-eat (RTE) foods (RTEF) and the risk of empirical treatment (EMPT) of L. monocytogenes infections, using multiple antimicrobial resistance indices (MARI) and antimicrobial resistance indices (ARI), respectively, were investigated. Twelve European Committee on An

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Sukuroglu, Ebru Emine. "Investigation of Antibacterial Susceptibility of Ag-Doped Oxide Coatings onto AZ91 Magnesium Alloy by Microarc Oxidation Method." Advances in Materials Science and Engineering 2018 (2018): 1–7. http://dx.doi.org/10.1155/2018/6871241.

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This study is focused on enhancing surface characteristics of AZ91 alloy with the microarc oxidation (MAO) method and bringing in antibacterial susceptibility to it. It is aimed to bring in antibacterial effect of silver (Ag) to AZ91 magnesium base materials covered with the MAO method. The structural and chemical compositions of the coating were analysed by using XRD, SEM, and EDS. In order to analyse antibacterial susceptibilities and bacteria adhesions, bacteria are marked using crystal violet in antibacterial efficacy tests. Susceptibility of coatings to Staphylococcus aureus (S. aureus-AT

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Vilaró, Anna, Elena Novell, Vicens Enrique-Tarancon, Jordi Balielles, Lourdes Migura-García, and Lorenzo Fraile. "Antimicrobial Susceptibility Testing of Porcine Bacterial Pathogens: Investigating the Prospect of Testing a Representative Drug for Each Antimicrobial Family." Antibiotics 11, no. 5 (2022): 638. http://dx.doi.org/10.3390/antibiotics11050638.

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Antimicrobial susceptibility testing is necessary to carry out antimicrobial stewardship but a limited number of drugs belonging to each antimicrobial family has to be tested for technical limitations and economic resources. In this study, we have determined the minimal inhibitory concentration, using microdilution following international standards (CLSI), for 490 Actinobacillus pleuropneumoniae, 285 Pasteurella multocida, 73 Bordetella bronchiseptica, 398 Streptococcus suis and 1571 Escherichia coli strains from clinical cases collected in Spain between 2018 and 2020. The antimicrobial suscep

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Doyle, Aoife, Thomas R. Rogers, Declan Bolton, et al. "An Investigation into the Prevalence of Clostridioides difficile in Irish Pig Abattoirs and Pork Meat Products as a Potential Source of Human Infection." Antibiotics 14, no. 2 (2025): 151. https://doi.org/10.3390/antibiotics14020151.

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Clostridioides difficile (C. difficile), once considered a predominantly nosocomial pathogen, is increasingly implicated in community-acquired infections (CA-CDIs). This study investigates the prevalence, ribotypes, and antimicrobial susceptibility of C. difficile in Irish pork products and abattoirs, with a focus on the potential public health implications. A total of 180 retail pork products and 150 pig carcase swabs from three abattoirs were examined, alongside 30 environmental lairage samples. The C. difficile isolates were characterised through ribotyping and tested in terms of antimicrob

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Álvaro, Bustos González, Ortiz Girón José, Diaz Cornejo Nohra, Galván Garces Olga, and Ruiz Garcés Luis. "Resistance profiles of bacterial pathogens isolated in a hospital institution in Montería - Córdoba, 2018." Indian Journal of Science and Technology 13, no. 46 (2020): 4564–72. https://doi.org/10.17485/IJST/v13i46.1897.

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Abstract <strong>Objective:</strong> To determine the resistance profiles of bacterial pathogens isolated in a hospital institution in Montería – Córdoba. <strong>Methodology:</strong> An observational study was carried out, during the months of January to December 2018; 344 samples were evaluated. Mention about the source of study samples. The identification and susceptibility of the bacteria were determined through the VITEK system. <strong>Findings:</strong> Among the Gram-negative bacteria identified were Klebsiella pneumoniae, Pseudomonas aerug

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Farrell, David J., Helio S. Sader, and Ronald N. Jones. "Antimicrobial Susceptibilities of a Worldwide Collection of Stenotrophomonas maltophilia Isolates Tested against Tigecycline and Agents Commonly Used for S. maltophilia Infections." Antimicrobial Agents and Chemotherapy 54, no. 6 (2010): 2735–37. http://dx.doi.org/10.1128/aac.01774-09.

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ABSTRACT Antimicrobial susceptibilities were determined for 1,586 isolates of Stenotrophomonas maltophilia from globally diverse medical centers using the Clinical Laboratory Standards Institute broth microdilution method. The combination trimethoprim-sulfamethoxazole (96.0% of isolates susceptible at ≤2 μg/ml trimethoprim and 38 μg/ml sulfamethoxazole) and tigecycline (95.5% of isolates sussceptible at ≤2 μg/ml) were the only antimicrobials tested with >94% susceptibility in all regions. Susceptibility rates for other commonly used were lower than expected and varied geographically. This i

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Khan, Nida Basharat, Mehwish Shehzadi, Hira Hameed, et al. "A Study on Escherichia Coli Isolated from Urogenital Tract Infections, Emphasizing their Occurrence and Antibiograms." Pakistan Journal of Medical and Health Sciences 17, no. 3 (2023): 323–27. http://dx.doi.org/10.53350/pjmhs2023173323.

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Background: Urinary tract infections (UTIs), which are among the most prevalent infections both in the general population and in health care facilities, are ranked second only to upper espiratory tract infections in terms of the prevalence of the disease. Methodology: Samples for the current investigation were gathered from severalprivate and public hospitals. Based on colony morphology, these samples were identified via Gramstaining and biochemical analysis. Following CLSI 2019 standards, these isolates were nexttested for antibiotic susceptibility using Kirby-disc Bauer's diffusion assay. Re

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Hassan, Walid, Hala Salam, Wafaa Hassan, Salama Shany, and Ghada Osman. "Effect of aromatic oils on the expression of some virulence-associated and antimicrobial resistance genes of Escherichia coli isolated from broilers." Journal of Advanced Veterinary and Animal Research 9, no. 2 (2022): 191. http://dx.doi.org/10.5455/javar.2022.i584.

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Objectives: This study aimed to prove the effects of Escherichia coli isolates isolated from dis¬eased broilers to form biofilms, describe their antimicrobial sensetivity, and determine the effect of allicin and cinnamon essential oils on the expression of some genes (fimH, int1, and luxS) through quantitative polymerase chain reaction (q-PCR). Materials and Methods: 140 samples were obtained from diseased broilers in Beni-Suef Governorate, Egypt. These samples were examined by conventional bacteriology methods to detect the causative agent. The antimicrobial susceptibility of the isolated bac

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Tanih, Nicoline F., and Roland N. Ndip. "Molecular Detection of Antibiotic Resistance in South African Isolates ofHelicobacter pylori." Gastroenterology Research and Practice 2013 (2013): 1–6. http://dx.doi.org/10.1155/2013/259457.

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Rapid diagnosis and treatment ofHelicobacter pylori(H. pylori) presents a challenge. We aimed at investigating the presence ofH. pylori, susceptibility profile, and associated mutations in an effort to validate the effectiveness of GenoType HelicoDR assay inH. pylorityping in our environment. Two hundred and fifty-four biopsy specimens were cultured and DNA extracted from seventy-eight positive cultures using the Qiagen DNA extraction kit. The GenoType Helico DR which employs reverse hybridisation was used to confirm the presence ofH. pylori, determination of its susceptibility to antimicrobia

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Mbarga, Manga J. A., Razan Marouf, Irina V. Podoprigora, Kitio L. D. Anyutoulou, Yuri V. Chapurin, and Irina N. Sharova. "Long exposure impact of antibiotics subinhibitory doses and silver nanoparticles on uropathogenic bacteria." RUDN Journal of Medicine 27, no. 3 (2023): 391–402. http://dx.doi.org/10.22363/2313-0245-2023-27-3-391-402.

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Relevance. Although the primary purpose of using antibiotics is to treat infectious diseases, their misuse gradually leads to loss of their effectiveness. The aim of the current investigation was to explore the changes that occur in uropathogenic bacteria after long exposure to antimicrobials. Materials and Methods. We compared the effects of long-term exposure to ampicillin, cefazoline, kanamycin and silver nanoparticles (AgNPs) on susceptibility, biofilm formation and planktonic bacteria in 4 clinical uropathogenic strains namely Escherichia coli (UPEC), Staphylococcus aureus (S. aureus), En

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Railian, M. V., T. O. Chumachenko, and H. M. Railian. "PRELIMINARY EVALUATION OF ANTIBIOTIC SUSCEPTIBILITY PATTERNS OF PATHOGENS ISOLATED FROM PRIVATE LABORATORY SPECIMENS IN UKRAINE." Актуальні проблеми сучасної медицини: Вісник Української медичної стоматологічної академії 24, no. 1 (2024): 129–34. http://dx.doi.org/10.31718/2077-1096.24.1.129.

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Objective. This study aims at conducting an analysis of data on antibiotic resistance to antimicrobials that were obtained for the period from April 28, 2018, to December 31, 2019, in a private laboratory in the city of Kharkiv. Materials and methods. We conducted an investigation into the identification and analysis of antimicrobial sensitivity for isolates obtained from patients at a private clinic in the city of Kharkiv from 2018 to 2019. Results. The analysis revealed that patients most frequently sought bacteriological examination for materials from the throat (34.5%) and nose (29.9%), wh

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Salmanov, A. G., Yu P. Vdovychenko, M. Yu Nychytailo, D. V. Andriuschenko, and O. M. Verner. "Incidence of Surgical Site Infections (SSIs) and Antimicrobial Resistance their Pathogens in Ukraine." International Journal of Antibiotics and Probiotics 2, no. 1 (2018): 18–29. http://dx.doi.org/10.31405/ijap.2-1.18.02.

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OBJECTIVE — to analyses the results of patients’ surgery, to determine the incidence rate of surgical site infections (SSIs) and to identify prevailing pathogens and their resistance to antibiotics in Ukrainian hospitals. MATERIALS AND METHODS. The investigation included 9,408 patients who underwent surgeries during 2015 in 12 surgical hospitals in different Ukrainian regions. In order to determine the incidence rates of SSIs were used the standard definition that were developed by the CDС (USA). The investigation included the analysis of 1,248 strains from patients with clinical symptom

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Monistero, Valentina, Antonio Barberio, Paola Cremonesi, et al. "Genotyping and Antimicrobial Susceptibility Profiling of Streptococcus uberis Isolated from a Clinical Bovine Mastitis Outbreak in a Dairy Farm." Antibiotics 10, no. 6 (2021): 644. http://dx.doi.org/10.3390/antibiotics10060644.

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Streptococcus uberis, an environmental pathogen responsible also for contagious transmission, has been increasingly implicated in clinical mastitis (CM) cases in Europe. We described a 4-month epidemiological investigation of Strep. uberis CM cases in an Italian dairy farm. We determined molecular characteristics and phenotypic antimicrobial resistance of 71 Strep. uberis isolates from dairy cows with CM. Genotypic variability was investigated via multiplex PCR of housekeeping and virulence genes, and by RAPD-PCR typing. Antimicrobial susceptibility was assessed for 14 antimicrobials by MIC as

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Gupta, Divya, Mukesh Kumar, and Vishal Gupta. "AN IN VITRO INVESTIGATION OF ANTIMICROBIAL EFFICACY OF EUPHORBIA HIRTA AND MURRAYA KOENIGII AGAINST SELECTED PATHOGENIC MICROORGANISMS." Asian Journal of Pharmaceutical and Clinical Research 11, no. 5 (2018): 359. http://dx.doi.org/10.22159/ajpcr.2018.v11i5.24578.

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Objective: To investigate the solvent-dependent antimicrobial activity and phytochemical analysis of extracts of Euphorbia hirta (leaves and flowers) and Murraya koenigii (leaves), as well as to evaluate the synergistic activity of these medicinal extracts with suitable antibiotic discs and antibiotics susceptibility of selected pathogenic microorganisms.Methods: The antimicrobial activity of the medicinal extracts was screened through agar well diffusion method and antibiotics susceptibility of selected microorganisms was investigated using disc diffusion method. A combined agar well diffusio

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Akine, Dai, Teppei Sasahara, Kotaro Kiga та ін. "Distribution of Extended-Spectrum β-Lactamase Genes and Antimicrobial Susceptibility among Residents in Geriatric Long-Term Care Facilities in Japan". Antibiotics 11, № 1 (2021): 36. http://dx.doi.org/10.3390/antibiotics11010036.

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A high prevalence of extended-spectrum β-lactamase-producing Enterobacterales (ESBL-PE) may call for monitoring in geriatric long-term care facilities (g-LTCFs). We surveyed the distribution of ESBL-causative gene types and antimicrobial susceptibility in ESBL-PE strains from residents in g-LTCFs, and investigated the association between ESBL-causative gene types and antimicrobial susceptibility. First, we analyzed the types of ESBL-causative genes obtained from 141 ESBL-PE strains collected from the feces of residents in four Japanese g-LTCFs. Next, we determined the minimum inhibitory concen

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David Adeiza, Zakari. "Antimicrobial Susceptibility Pattern of Bacteria from Selected Waste Sites within Anyigba Metropolis, Kogi State, Nigeria." Nutrition and Food Processing 7, no. 10 (2024): 01–04. http://dx.doi.org/10.31579/2637-8914/251.

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In a comprehensive study conducted across various waste sites in Anyigba, Kogi State, Nigeria, the antimicrobial susceptibility patterns of isolated bacteria were elucidated. The investigation targeted three distinct waste sites: a medical dump site, a mechanic dump site, and an agricultural dump site, where the prevalence and resistance profiles of bacteria were closely monitored to understand their ecological impact and potential public health concerns. The study identified six bacterial species with diverse colonial morphology and biochemical characteristics. These included Salmonella sp.,

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NYIRABAHIZI, EPIPHANIE, GREGORY H. TYSON, HEATHER TATE, et al. "Northeastern U.S. Salmonella Strains from Retail Meat Are More Prevalent and More Resistant to Antimicrobials." Journal of Food Protection 83, no. 5 (2020): 849–57. http://dx.doi.org/10.4315/jfp-19-549.

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ABSTRACT Between 2002 and 2017, the National Antimicrobial Resistance Monitoring System (NARMS) recovered 5,803 Salmonella isolates from retail meat samples of chicken parts, ground turkey, pork chops, and ground beef collected in 21 states. NARMS tested these isolates for susceptibility to amoxicillin–clavulanic acid, ampicillin, azithromycin, cefoxitin, ceftiofur, ceftriaxone, chloramphenicol, gentamicin, nalidixic acid, streptomycin, tetracycline, trimethoprim-sulfamethoxazole (cotrimoxazole), sulfisoxazole, and ciprofloxacin. To evaluate possible geographic differences in the prevalence an

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Barbarossa, A., J. Rambaldi, V. Miraglia, M. Giunti, G. Diegoli, and A. Zaghini. "Survey on antimicrobial prescribing patterns in small animal veterinary practice in Emilia Romagna, Italy." Veterinary Record 181, no. 3 (2017): 69. http://dx.doi.org/10.1136/vr.104128.

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This investigation provides for the first time a general view of the prescribing patterns of antimicrobials in small animal practice in Emilia Romagna, Italy. In the context of a project on antimicrobial resistance managed by the Regional Veterinary Service, veterinary clinicians were invited to voluntarily complete an online questionnaire. This was designed to gather information on antimicrobial prescribing practices and biosecurity measures and to understand the perception of the issue specific to this region of Italy. In total, 266 questionnaires correctly completed were collected. Although

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Haque, Quazi Tamanna, Md Shah Alam, Jarin Sazzad, et al. "Antimicrobial Susceptibility Patterns of Klebsiella Species Causing Urinary Tract Infections in Pregnant Women." TAJ: Journal of Teachers Association 36, no. 1 (2023): 41–46. http://dx.doi.org/10.3329/taj.v36i1.68280.

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Background: Urinary tract infections (UTIs) are the most prevalent type of infection during pregnancy and are notoriously difficult to treat. Significant maternal and fetal risk is associated with UTI during pregnancy, with the most prevalent clinical manifestations being asymptomatic bacteriuria, acute cystitis, and acute pyelonephritis. Objectives: To identify Klebsiella species causing urinary tract infection among pregnant women and its antimicrobial susceptibility pattern by modified Kirby Bauer disc diffusion method in Rajshahi Medical College Hospital. Materials and Method:

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Petrone, Federica, Carmine Gizzi, Alessandro Andriani, et al. "Investigation of Healthcare-Acquired Infections and Antimicrobial Resistance in an Italian Hematology Department before and during the COVID-19 Pandemic." Microorganisms 12, no. 7 (2024): 1296. http://dx.doi.org/10.3390/microorganisms12071296.

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Background: The COVID-19 pandemic has made antibiotic resistance (AMR) and healthcare-acquired infections (HAIs) increasingly serious problems. Point-prevalence Surveys (PPS) and other surveillance techniques are essential for antimicrobial management and prevention. Methods: In a hematology department of an Italian hospital, the prevalence of HAI, microbiology, and AMR were examined in this retrospective study in two different periods, namely 2019 and 2021 (pre-pandemic and during the pandemic, respectively). Comparisons were made between patient demographics, hospitalization duration, survei

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Feary, Darien J., Doreene Hyatt, Josie Traub-Dargatz, et al. "Investigation of Falsely Reported Resistance of Streptococcus Equi Subsp. Zooepidemicus Isolates from Horses to Trimethoprim–Sulfamethoxazole." Journal of Veterinary Diagnostic Investigation 17, no. 5 (2005): 483–86. http://dx.doi.org/10.1177/104063870501700515.

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The objective of this study was to investigate the perceived increase in resistance of Streptococcus equi subsp. zooepidemicus ( S. zooepidemicus) isolated from the lower respiratory tract of horses to trimethoprim–sulfamethoxazole (SXT). The recorded SXT-susceptibility results of 50 S. zooepidemicus isolates from the tracheal wash fluid of equine patients examined at Colorado State University Veterinary Teaching Hospital from each of 2 time periods (1987–1990 and 1997–2001) were compared and statistically analyzed using a cross-sectional study design. There was a statistically significant dif

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Wolf, Lena Josephine, and Catalina-Suzana Stingu. "Antimicrobial Susceptibility Profile of Rare Anaerobic Bacteria." Antibiotics 12, no. 1 (2022): 63. http://dx.doi.org/10.3390/antibiotics12010063.

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Anaerobes play an important role in clinically relevant infections and resistance is increasing worldwide. We tested 120 rare anaerobic isolates belonging to 16 genera for antimicrobial resistance using the agar dilution method and compared those results to the time-saving E-test method. The susceptibility data for 12 antimicrobial substances (benzylpenicillin, ampicillin/sulbactam, piperacillin/tazobactam, imipenem, meropenem, cefoxitin, metronidazole, moxifloxacin, clindamycin, doxycycline, tigecycline, eravacycline) were collected. Susceptibility testing showed low resistance to β-lactam/β-

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Tangestani, Mehrnoush, Paul Broady, and Arvind Varsani. "An investigation of antibacterial activity of New Zealand seaweed-associated marine bacteria." Future Microbiology 16, no. 15 (2021): 1167–79. http://dx.doi.org/10.2217/fmb-2021-0023.

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Aim: To explore seaweed-associated bacteria as prospective producers of bioactive material with antibacterial properties. Materials & methods: 143 bacterial species were isolated from the surface of 15 New Zealand marine macroalgae. Bacterial extracts obtained using dimethyl sulfoxide and ethyl acetate were screened for antagonistic activities against three antimicrobial susceptibility indicators: Kocuria rhizophila, Staphylococcus epidermidis and Escherichia coli, using well-diffusion method. For selected species, minimum inhibitory concentration was determined, followed by a phylogenetic

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1Dr., Ketaki Niranjan Pathak 2Dr. Shital Ghogale 3Dr. Niranjan Pathak 4Dr. Savita Jadhav. "Occurrence, Risk Factors and the Antimicrobial Resistance Pattern of Enterococcal Infections in the University Hospital of Western Maharashtra India." International Journal of Medical Science in Clinical Research and Review 6, no. 06 (2023): 1140–45. https://doi.org/10.5281/zenodo.10419095.

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<strong><u>ABSTRACT</u></strong>: <strong>Introduction</strong>: Enterococci are gram positive cocci occurring in pairs in majority of the cases, at angles & sometimes can appear as short chains. In the course of the last two decades, enterococci have been recognized as imperative healthcare-associated opportunistic pathogens. The study was planned with the purpose to understand the incidence, risk factors, antimicrobial resistance pattern of enterococcal<em> </em>infections in the University hospital. <strong>Methods</strong>: This retrospective study was conducted in the Microbiology lab

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Sader, Helio S., Rodrigo E. Mendes, Jennifer Le, Gerald Denys, Robert K. Flamm, and Ronald N. Jones. "Antimicrobial Susceptibility of Streptococcus pneumoniae from North America, Europe, Latin America, and the Asia-Pacific Region: Results From 20 Years of the SENTRY Antimicrobial Surveillance Program (1997–2016)." Open Forum Infectious Diseases 6, Supplement_1 (2019): S14—S23. http://dx.doi.org/10.1093/ofid/ofy263.

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Abstract Background The SENTRY Antimicrobial Surveillance Program monitors the frequency of occurrence and antimicrobial susceptibility of organisms from various infection types worldwide. In this investigation, we evaluated the antimicrobial susceptibility of Streptococcus pneumoniae isolates collected worldwide over 20 years (1997–2016). Methods A total of 65 993 isolates were consecutively collected (1 per infection episode) from North America (NA; n = 34 626; 2 nations), Europe (EUR; n = 19 123; 23 nations), the Asia-Pacific region (APAC; n = 7111; 10 nations), and Latin America (LATAM; n

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McCarlie, Samantha, and Robert R. Bragg. "Impact of the Stress Response on Quaternary Ammonium Compound Disinfectant Susceptibility in Serratia Species." Microorganisms 12, no. 11 (2024): 2240. http://dx.doi.org/10.3390/microorganisms12112240.

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The well-known problem of antibiotic resistance foreshadows a similar threat posed by microbial resistance to biocides such as disinfectants and antiseptics. These products are vital for infection control, yet their overuse during the COVID-19 pandemic has accelerated the development of resistant microorganisms. This study investigates the molecular mechanisms underlying disinfectant resistance in Serratia sp. HRI. The transcriptomic responses of Serratia sp. HRI were used to identify significant gene expression changes during exposure to QACs and revealed increased methionine transport and po

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Kivumbi, Mark Tefero, and Claire J. Standley. "Efforts to Identify and Combat Antimicrobial Resistance in Uganda: A Systematic Review." Tropical Medicine and Infectious Disease 6, no. 2 (2021): 86. http://dx.doi.org/10.3390/tropicalmed6020086.

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The global burden of antimicrobial resistance is on the rise, resulting in higher morbidity and mortality in our communities. The spread of antimicrobial resistance in the environment and development of resistant microbes is a challenge to the control of antimicrobial resistance. Approaches, such as antimicrobial stewardship programmes and enhanced surveillance, have been devised to curb its spread. However, particularly in lower- and middle-income countries, the overall extent of antimicrobial resistance and knowledge on ongoing surveillance, stewardship or investigation efforts, are often po

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Njukeng, Patrick A., Charles Njumkeng, Elvis T. AMIN, Jane-Francis K. T. Akoachere, Patrick A. Njukeng, and Charles Njumkeng. "Antimicrobial Resistance: A Situational Analysis in the Deido Health District, Douala, Cameroon." Journal of Preventive Medicine And Care 3, no. 2 (2021): 31–46. http://dx.doi.org/10.14302/issn.2474-3585.jpmc-21-3851.

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Background The rapid and ongoing spread of antimicrobial-resistant organisms threatens the ability to successfully prevent, control, or treat a growing number of infectious diseases in developed and developing countries. This study was designed to convey more insight on the profile of antimicrobial resistance and the capacity of laboratories conducting antimicrobial susceptibility testing in Cameroon. Methods A multicentre cross-sectional study was conducted from October 2019 to March 2020 in the Deido Health District. Laboratories that carry out culture and sensitivity testing within the Deid

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Osisiogu, Emmanuel Udochukwu, Hamidu Tampuori Abdul-Razak, Clement Wepia Abosum, et al. "Antimicrobial Resistance Patterns of Bacteria Isolated from Pharmacy Technicians' Hands in Ghana." International Journal of TROPICAL DISEASE & Health 45, no. 7 (2024): 141–50. http://dx.doi.org/10.9734/ijtdh/2024/v45i71569.

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Background: Pharmacy technicians play a critical role in healthcare delivery, particularly in developing countries like Ghana. However, there is limited knowledge about the microbial contamination of their hands and the antimicrobial susceptibility patterns of these microbes. This study aimed at investigating the presence of bacteria on the hands of pharmacy technicians in the Upper West region of Ghana and to determine the antimicrobial susceptibility patterns of the isolated organisms. Methods: A cross-sectional study was conducted from January to April 2019. Hand swabs were collected from p

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PAVIA, MARIA, CARMELO G. A. NOBILE, LETTERIO SALPIETRO, and ITALO F. ANGELILLO. "Vancomycin Resistance and Antibiotic Susceptibility of Enterococci in Raw Meat." Journal of Food Protection 63, no. 7 (2000): 912–15. http://dx.doi.org/10.4315/0362-028x-63.7.912.

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The purpose of this study was to investigate antimicrobial resistance, in particular to vancomycin, of enterococci in samples (100) of meat (beef, chicken, turkey, lamb, and pork) sold in retail outlets of Catanzaro (Italy). Enterococci were identified to the species level. Antimicrobial susceptibility tests for a large spectrum of antibiotics including glycopeptides were performed by the disk diffusion method. Kappa statistic was used to evaluate associations of resistance to vancomycin with other antimicrobials. Enterococci were isolated from 45% of the samples, mostly from chicken meat (65.

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Doern, Christopher D., Jason Y. Park, Michael Gallegos, Debbie Alspaugh, and Carey-Ann D. Burnham. "Investigation of Linezolid Resistance in Staphylococci and Enterococci." Journal of Clinical Microbiology 54, no. 5 (2016): 1289–94. http://dx.doi.org/10.1128/jcm.01929-15.

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The objective of this study was to investigate an apparent increase in linezolid-nonsusceptible staphylococci and enterococci following a laboratory change in antimicrobial susceptibility testing from disk diffusion to an automated susceptibility testing system. Isolates with nonsusceptible results (n= 27) from Vitek2 were subjected to a battery of confirmatory testing which included disk diffusion, Microscan broth microdilution, Clinical and Laboratory Standards Institute (CLSI) reference broth microdilution, gradient diffusion (Etest), 23S rRNA gene sequencing, andcfrPCR. Our results show th

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Beindorf, Philipp-Michael, Oksana Kovalenko, Sebastian Ulrich, et al. "Investigation of Meat from Ostriches Raised and Slaughtered in Bavaria, Germany: Microbiological Quality and Antimicrobial Resistance." Biology 11, no. 7 (2022): 985. http://dx.doi.org/10.3390/biology11070985.

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Ostrich meat is characterized by high nutritional value; however, it remains an exotic product in most countries worldwide. In Europe, only few data are available regarding its microbial contamination, prevalence of antimicrobial-resistant bacteria, and safety. Therefore, this study aimed to investigate the microbiological quality and safety of ostrich meat samples (n = 55), each from one animal, produced in Bavaria, Germany. The provided microbiological status of ostrich meat included mesophilic aerobic bacteria, Enterobacteria, and mesophilic yeast and molds. In terms of food safety, all mea

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YAMAZAKI, Etsuko, Keiji MIZUOKA, Gohta MASUDA, Yoriko KOBAYASHI, and Taiji NAKAE. "Study on Bacterial Infection by the Investigation with Antimicrobial Susceptibility against Various Clinical Isolates." Journal of the Japanese Association for Infectious Diseases 62, no. 3 (1988): 206–16. http://dx.doi.org/10.11150/kansenshogakuzasshi1970.62.206.

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YAMAZAKI, Etsuko, Keiji MIZUOKA, Gohta MASUDA, and Taiji NAKAE. "Study on Bacterial Infection by the Investigation with Antimicrobial Susceptibility against Various Clinical Isolates." Journal of the Japanese Association for Infectious Diseases 62, no. 9 (1988): 772–82. http://dx.doi.org/10.11150/kansenshogakuzasshi1970.62.772.

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YAMAZAKI, Etsuko, Keiji MIZUOKA, and Gohta MASUDA. "Study on Bacterial Infection by the Investigation of Antimicrobial Susceptibility of Various Clinical Isolates." Journal of the Japanese Association for Infectious Diseases 63, no. 9 (1989): 1013–21. http://dx.doi.org/10.11150/kansenshogakuzasshi1970.63.1013.

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