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Journal articles on the topic 'Periodic survival'

Author: Grafiati

Published: 5 June 2025

Last updated: 2 August 2025

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1

Song *, Yongli. "Positive periodic solutions of a periodic survival red blood cell model." Applicable Analysis 84, no. 11 (2005): 1095–101. http://dx.doi.org/10.1080/00036810500149893.

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2

Chen, Pai-Lien, and Pranab K. Sen. "Quality-Adjusted Survival Estimation with Periodic Observations." Biometrics 57, no. 3 (2001): 868–74. http://dx.doi.org/10.1111/j.0006-341x.2001.00868.x.

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3

Chen, Pai-Lien, and Pranab K. Sen. "Quality-Adjusted Survival Estimation with Periodic Observations: A Multistate Survival Analysis Approach." Communications in Statistics - Theory and Methods 33, no. 6 (2004): 1327–39. http://dx.doi.org/10.1081/sta-120030152.

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4

Franke, John E., and Abdul-Aziz Yakubu. "Population models with periodic recruitment functions and survival rates." Journal of Difference Equations and Applications 11, no. 14 (2005): 1169–84. http://dx.doi.org/10.1080/10236190500386275.

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5

Yang, Xitao, and Siping Tang. "Unique Positive Almost Periodic Solution for Discrete Nonlinear Delay Survival Red Blood Cells Model." Abstract and Applied Analysis 2009 (2009): 1–14. http://dx.doi.org/10.1155/2009/987343.

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We obtain sufficient conditions which guarantee the global attractivity of solutions for nonlinear delay survival red blood cells model. Then, some criteria are established for the existence, uniqueness and global attractivity of positive almost periodic solutions of the almost periodic system.

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Moszczynski, Alexander Joseph, Anu Tandon, Fernando Morgadinho Santos Coelho, Lorne Zinman, and Brian Murray. "Mortality associated with periodic limb movements during sleep in amyotrophic lateral sclerosis patients." Einstein (São Paulo) 10, no. 4 (2012): 428–32. http://dx.doi.org/10.1590/s1679-45082012000400006.

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OBJECTIVE: To describe the prevalence and severity of periodic limb movements during sleep in amyotrophic lateral sclerosis patients and to explore this fact as a predictor of severity of the condition with respect to mortality. METHODS: In this case-control study, questionnaire and polysomnographic data were analyzed from 35 amyotrophic lateral sclerosis patients. Controls were matched by age, genre, and body mass index. A Kaplan-Meier curve was used to compare the survival time of patients with periodic limb movements of sleep index below or above 5. RESULTS: The number of amyotrophic latera

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Dorociaková, Božena, and Rudolf Olach. "Some notes to existence and stability of the positive periodic solutions for a delayed nonlinear differential equations." Open Mathematics 14, no. 1 (2016): 361–69. http://dx.doi.org/10.1515/math-2016-0033.

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AbstractThe paper deals with the existence of positive ω-periodic solutions for a class of nonlinear delay differential equations. For example, such equations represent the model for the survival of red blood cells in an animal. The sufficient conditions for the exponential stability of positive ω-periodic solution are also considered.

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Anisko, Tomasz, and Orville M. Lindstrom. "Survival of Water-stressed Rhododendron Subjected to Freezing at Fast or Slow Cooling Rates." HortScience 31, no. 3 (1996): 357–60. http://dx.doi.org/10.21273/hortsci.31.3.357.

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The purpose of the present study was to determine whether water stress affects tolerance of Rhododendron L. `Catawbiense Boursault' to rapid freezing. Tolerance to freezing at cooling rates of 2 or 6C/hour in stems and leaves of plants subjected to continuous and periodic water deficit stresses was examined. Under continuous stress treatments, water content of the growing medium was maintained in a range of 0.60 to 0.75, 0.45 to 0.60, or 0.30 to 0.45 m3·m–3 between 24 Aug. 1992 and 11 Feb. 1994. Under periodic stress treatments, water content of the growing medium was maintained near field cap

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S. te Boekhorst, Nelly G. Peer, Rig, Dennis. "Periodic Follow-up after Breast Cancer and the Effect on Survival." European Journal of Surgery 167, no. 7 (2001): 490–96. http://dx.doi.org/10.1080/110241501316914849.

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10

Nikityuk, I. E., K. A. Afonichev, M. S. Nikitin, V. V. Petrash, and V. A. Kubasov. "Survival of isolated skin explants in remote interaction with stratiform periodic structures." Genij Ortopedii 27, no. 2 (2021): 254–59. http://dx.doi.org/10.18019/1028-4427-2021-27-2-254-259.

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Full-thickness skin grafts are used in reconstructive surgeries. Objectives Experimental study of the possibility of long-term preservation of viable skin grafts in severely impaired trophics at remote interaction with entities having stratiform periodic structure. Material and methods Full-thickness skin was excised from the rabbits' backside and dissected into explants sized 1.0 × 1.0 cm. The samples (n = 81) were divided into three groups and thermostated for 2 days at 37 °C at a various distance from the metal (aluminum) presented as a 20-layer package of smooth foil forming a stratiform p

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11

Cao, Quang V. "Prediction of Annual Diameter Growth and Survival for Individual Trees from Periodic Measurements." Forest Science 46, no. 1 (2000): 127–31. http://dx.doi.org/10.1093/forestscience/46.1.127.

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Abstract It is difficult to fit annual tree survival and diameter growth models to data that were measured, not every year, but at some interval. This study aimed to determine suitable methods to obtain parameter estimates for such a system from periodic measurements. Given a system consisting of a tree survival model and a tree diameter growth model, this article presents an iterative method for estimating system parameters. The method involves sequentially updating of the parameters of both models within the growth period. Data from 111 plots from the Southwide Seed Source Study of loblolly

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Christhoper Stephanus, Edward, and Stevany Salim. "PELAKSANAAN KENAIKAN UPAH BERKALA DIHUBUNGKAN DENGAN PERUNDANG-UNDANGAN KETENAKERJAAN." Kertha Semaya : Journal Ilmu Hukum 10, no. 3 (2022): 641. http://dx.doi.org/10.24843/ks.2022.v10.i03.p14.

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Tujuan dari studi ini ialah untuk mengkaji kepastian hukum dalam hal kenaikan upah berkala, dimana kenaikan upah berkala belum dijelaskan secara mendetail dan mengingat bahwa upah juga merupakan hak pekerja yang penting untuk kelangsungan hidup pekerja dan juga untuk menjaga SDM yang terdapat dalam perusahaan. Studi ini menggunakan metode hukum empiris yang berasal dari penelitian lapangan dengan perbandingan peraturan dan peristiwa yang berlaku dibandingkan dengan penelitian hukum. Hasil studi ini menunjukkan bahwa mengenai kenaikan upah berkala dalam perusahaan swasta belum ada suatu hukum a

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13

Xing, Yue, Weihua Jiang, and Xun Cao. "Multi-stable and spatiotemporal staggered patterns in a predator-prey model with predator-taxis and delay." Mathematical Biosciences and Engineering 20, no. 10 (2023): 18413–44. http://dx.doi.org/10.3934/mbe.2023818.

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<abstract><p>The effects of predator-taxis and conversion time delay on formations of spatiotemporal patterns in a predator-prey model are explored. First, the well-posedness, which implies global existence of classical solutions, is proved. Then, we establish critical conditions for the destabilization of the coexistence equilibrium via Turing/Turing-Turing bifurcations by describing the first Turing bifurcation curve; we also theoretically predict possible bistable/multi-stable spatially heterogeneous patterns. Next, we demonstrate that the coexistence equilibrium can also be des

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14

Ghibaudi, Elena. "Levi’s Periodic System vs. Mendeleev’s Periodic System: two engaged views of chemistry between science and literature." Pure and Applied Chemistry 91, no. 12 (2019): 1941–47. http://dx.doi.org/10.1515/pac-2019-0604.

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Abstract A comparison between the figures of Levi and Mendeleev is proposed, based on their peculiar ways of conceiving their professional role of chemist, their life experiences, their achievements and their thought. The Weltanschauung of these two figures, despite their having lived in distinct historical periods and their belonging to distinct cultures, was deeply influenced by the fact of being chemists: chemistry was – for both of them – a tool for interpreting the world around them and acting effectively in it. The chemistry Levi talks about in his writings is not just a narrative pretex

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15

Rajabi-Moghaddam, Mahdieh, and Hamid Abbaszadeh. "Evaluation of prognostic factors of head and neck squamous cell carcinomas in Iranian patients: A narrative review." Journal of Oral Health and Oral Epidemiology 13, no. 2 (2024): 45–48. http://dx.doi.org/10.34172/johoe.2209.1505.

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Background: Head and neck squamous cell carcinoma (HNSCC) represents the largest proportion of head and neck cancers (HNCs). Despite new treatment modalities, the 5-year survival rate has not improved much. Identifying the factors affecting the prognosis and survival of patients is the first step in trying to improve the prognosis of these patients. The aim of this review was to investigate prognostic factors of HNSCC in Iran. Methods: A web-based search of all original articles conducted in Iran until October 2022 on prognostic factors of HNSCC was done using English and Persian language data

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16

Kanchan, Rawat, Dhanai CS, Khanduri VP, and Singh Bhupendra. "Seedling emergence, periodic growth, and survival of some multipurpose agroforestry tree species of Garhwal Himalaya." Open Journal of Environmental Biology 9, no. 1 (2024): 001–6. http://dx.doi.org/10.17352/ojeb.000039.

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This study evaluated the seedling emergence behavior, growth performance, leaf area, and biomass allocation of seven multipurpose tree species (Celtis australis, Grewia optiva, Bauhinia retusa, Bauhinia variegata, Ficus auriculata, Quercus semecarpifolia, Quercus floribunda). The (emergence) germination experiments were conducted under the polyhouse condition in poly bags. Significant differences (p < 0.05) were found among different tree species for nursery germination percent. The seedling emergence and Seedling Vigour Index (SVI) significantly varied among all the seven multipurpose tree

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17

Morii, Yuji, Takanori Yoshida, Takashi Matsumata, Tsuyoshi Arita, Katsuhiro Shimoda, and Seigo Kitano. "Effect of periodic endoscopy for gastric cancer on early detection and improving survival." Gastroenterology 120, no. 5 (2001): A606. http://dx.doi.org/10.1016/s0016-5085(08)83015-6.

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18

Adams, Jose A., Jorge Bassuk, Dongmei Wu, and Paul Kurlansky. "Survival and normal neurological outcome after CPR with periodic Gz acceleration and vasopressin." Resuscitation 56, no. 2 (2003): 215–21. http://dx.doi.org/10.1016/s0300-9572(02)00319-2.

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19

MORII, Y., T. YOSHIDA, T. MATSUMATA, T. ARITA, K. SHIMODA, and S. KITANO. "Effect of periodic endoscopy for gastric cancer on early detection and improving survival." Gastroenterology 120, no. 5 (2001): A606. http://dx.doi.org/10.1016/s0016-5085(01)83015-8.

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20

Shima, Jeffrey S., Craig W. Osenberg, Erik G. Noonburg, Suzanne H. Alonzo, and Stephen E. Swearer. "Lunar rhythms in growth of larval fish." Proceedings of the Royal Society B: Biological Sciences 288, no. 1942 (2021): 20202609. http://dx.doi.org/10.1098/rspb.2020.2609.

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Growth and survival of larval fishes is highly variable and unpredictable. Our limited understanding of this variation constrains our ability to forecast population dynamics and effectively manage fisheries. Here we show that daily growth rates of a coral reef fish (the sixbar wrasse, Thalassoma hardwicke ) are strongly lunar-periodic and predicted by the timing of nocturnal brightness: growth was maximized when the first half of the night was dark and the second half of the night was bright. Cloud cover that obscured moonlight facilitated a ‘natural experiment’, and confirmed the effect of mo

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21

Zhu, Zhongcai, and Xue He. "Rich and complex dynamics of a time-switched differential equation model for wild mosquito population suppression with Ricker-type density-dependent survival probability." AIMS Mathematics 8, no. 12 (2023): 28670–89. http://dx.doi.org/10.3934/math.20231467.

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<abstract><p>Dengue presents over 390 million cases worldwide yearly. Releasing <italic>Wolbachia</italic>-infected male mosquitoes to suppress wild mosquitoes via cytoplasmic incompatibility has proven to be a promising method for combating the disease. As cytoplasmic incompatibility causes early developmental arrest of the embryo during the larval stage, we introduce the Ricker-type survival probability to assess the resulting effects. For periodic and impulsive release strategies, our model switches between two ordinary differential equations. Owing to a Poincaré map

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22

Kresák, L. "Evidence for Physical Aging of Periodic Comets." International Astronomical Union Colloquium 116, no. 1 (1989): 607–28. http://dx.doi.org/10.1017/s0252921100109856.

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AbstractObservational evidence for the aging processes in periodic comets is reviewed. This includes progressive changes of the comets’ absolute brightness, sudden destructive events (outbursts and splitting of cometary nuclei), temporary intermissions in activity, total disappearance, and existence of asteroidal objects moving in cometary orbits. Indirect statistical evidence is provided by the equilibrium between the aging rate and the net injection of comets into the inner planetary system. All of this information is consistent with typical active lifetimes of 200 to 500 revolutions at smal

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23

Gholizadeh, Narges, Hanieh Emami Razavi, Gholamali Jafari Haftkhani, and Nafiseh Sheykhbahaei. "Predictive factors of survival rate in oral squamous cell carcinoma: A retrospective study in Iran." Journal of Contemporary Medical Sciences 5, no. 2 (2019): 101–5. http://dx.doi.org/10.22317/jcms.v5i2.572.

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Objective: Oral cancer as a part of this collection plays an important role in the burden of diseases, especially in South Asia. Despite numerous advances in the treatment of cancers, oral cancer is one of the top ten causes of death due to delayed detection. Given the role of the environmental and climatic conditions in cancers, there is a need for epidemiological studies in different geographic areas. Methods: In present study, data were collected through medical records of the patients with oral cancer during 2009 to 2012 in the archives of the Cancer Department of the Ministry of Hea

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24

Ciatto, Stefano, Marco Rosselli Del Turco, Paolo Pacini, et al. "Early Detection of Breast Cancer Recurrences through Periodic follow-up - is it Useless?" Tumori Journal 71, no. 4 (1985): 325–29. http://dx.doi.org/10.1177/030089168507100402.

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The authors report on a multicentric consecutive series of 1120 breast cancer first recurrences. Cases detected as subjectively asymptomatic thanks to periodic follow-up examinations are compared to cases detected as symptomatic. The relapse-free interval from primary treatment was shorter for asymptomatic recurrences, confirming that an earlier diagnosis was achieved in these cases. In spite of this diagnostic anticipation, median and actuarial survival from primary treatment did not differ when asymptomatic recurrences were compared to symptomatic recurrences. The study results did not show

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25

Li, Yajie, and Xinzhu Meng. "Dynamics of an Impulsive Stochastic Nonautonomous Chemostat Model with Two Different Growth Rates in a Polluted Environment." Discrete Dynamics in Nature and Society 2019 (February 24, 2019): 1–15. http://dx.doi.org/10.1155/2019/5498569.

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This paper proposes a novel impulsive stochastic nonautonomous chemostat model with the saturated and bilinear growth rates in a polluted environment. Using the theory of impulsive differential equations and Lyapunov functions method, we first investigate the dynamics of the stochastic system and establish the sufficient conditions for the extinction and the permanence of the microorganisms. Then we demonstrate that the stochastic periodic system has at least one nontrivial positive periodic solution. The results show that both impulsive toxicant input and stochastic noise have great effects o

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26

Wikan, Arild, and Ørjan Kristensen. "Nonstationary and Chaotic Dynamics in Age-Structured Population Models." Discrete Dynamics in Nature and Society 2017 (2017): 1–11. http://dx.doi.org/10.1155/2017/1964286.

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The dynamics from nonlinear discrete age-structured population models is under consideration. Focus is on bifurcations, as well as nonstationary and chaotic dynamics. We also explore different mechanisms which may lead to periodic phenomena. Some new results are also presented, in particular from models where both fecundity and survival terms contain nonlinear elements.

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Hossain, Mainul, Shilpa Garai, Sajad Jafari, and Nikhil Pal. "Bifurcation, chaos, multistability, and organized structures in a predator–prey model with vigilance." Chaos: An Interdisciplinary Journal of Nonlinear Science 32, no. 6 (2022): 063139. http://dx.doi.org/10.1063/5.0086906.

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There is not a single species that does not strive for survival. Every species has crafted specialized techniques to avoid possible dangers that mostly come from the side of their predators. Survival instincts in nature led prey populations to develop many anti-predator strategies. Vigilance is a well-observed effective antipredator strategy that influences predator–prey dynamics significantly. We consider a simple discrete-time predator-prey model assuming that vigilance affects the predation rate and the growth rate of the prey. We investigate the system dynamics by constructing isoperiodic

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Dai, Xiangjun, Hui Jiao, Jianjun Jiao, and Qi Quan. "Survival Analysis of a Predator–Prey Model with Seasonal Migration of Prey Populations between Breeding and Non-Breeding Regions." Mathematics 11, no. 18 (2023): 3838. http://dx.doi.org/10.3390/math11183838.

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In this paper, we establish and study a novel predator–prey model that incorporates: (i) the migration of prey between breeding and non-breeding regions; (ii) the refuge effect of prey; and (iii) the reduction in prey pulse birth rate, in the form of a fear effect, in the presence of predators. Applying the Floquet theory and the comparison theorem of impulsive differential equations, we obtain the sufficient conditions for the stability of the prey-extinction periodic solution and the permanence of the system. Furthermore, we also study the case where the prey population does not migrate. Suf

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Hasanah, Uswatun, Ayu Adhita Damayanti, and Fariq Azhar. "PENGARUH LAJU PEMUASAAN SECARA PERIODIK TERHADAP PERTUMBUHAN KELANGSUNGAN HIDUP DAN KECERAHAN WARNA IKAN BADUT AMPHIPRION OCELLARIS." Jurnal Biologi Tropis 20, no. 1 (2020): 46. http://dx.doi.org/10.29303/jbt.v20i1.1337.

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Abstrak: Budidaya ikan badut Amphiprion ocellaris terus dikembangkan hingga saat ini guna menghasilkan ikan badut yang memiliki pertumbuhan, kelangsungan hidup dan kecerahan warna yang baik. Salah satu permasalahan dalam budidaya ikan badut adalah harga pakan yang cukup tinggi. Tujuan penelitian ini yaitu untuk mengetahui pengaruh laju pemuasaan secara periodik terhadap pertumbuhan, kelangsungan hidup dan kecerahan warna ikan badut Amphiprion ocellaris. Metode yang digunakan dalam penelitian ini adalah metode eksperimental dengan menggunakan Rancangan Acak Lengkap yang terdiri dari empat perla

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30

Chen, Wei, Zih-Heng Wu, Chin-Jung Yang, et al. "Pulse Analysis System with a Novice Periodic Function Examination Method on Sepsis Survival Prediction." Procedia Computer Science 37 (2014): 317–24. http://dx.doi.org/10.1016/j.procs.2014.08.047.

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31

Watanabe, Akihito, Masao Hosokawa, Masanobu Taniguchi, and Shigeyuki Sasaki. "Periodic pharyngolaryngoscopy detects early head and neck cancer and improves survival in esophageal cancer." Annals of Thoracic Surgery 76, no. 5 (2003): 1699–705. http://dx.doi.org/10.1016/s0003-4975(03)00957-3.

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32

Morii, Yuji, Tsuyoshi Arita, Katsuhiro Shimoda, Kazuhiro Yasuda, Takanori Yoshida, and Seigo Kitano. "Effect of periodic endoscopy for gastric cancer on early detection and improvement of survival." Gastric Cancer 4, no. 3 (2001): 132–36. http://dx.doi.org/10.1007/pl00011735.

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33

Wu, Xin-min, and Jing-wen Li. "Global Attractivity of Positive Periodic Solutions for a Survival Model of Red Blood Cells." Acta Mathematicae Applicatae Sinica, English Series 23, no. 3 (2007): 523–28. http://dx.doi.org/10.1007/s10255-007-0392-1.

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34

Adams, Jose A., Arkady Uryash, Jose R. Lopez, and Marvin A. Sackner. "Whole body periodic acceleration improves survival and microvascular leak in a murine endotoxin model." PLOS ONE 14, no. 1 (2019): e0208681. http://dx.doi.org/10.1371/journal.pone.0208681.

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35

Tichanek, Filip, Asta Försti, Akseli Hemminki, Otto Hemminki, and Kari Hemminki. "Long-Term Periodic and Conditional Survival Trends in Prostate, Testicular, and Penile Cancers in the Nordic Countries, Marking Timing of Improvements." Cancers 15, no. 17 (2023): 4261. http://dx.doi.org/10.3390/cancers15174261.

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Survival studies are important tools for cancer control, but long-term survival data on high-quality cancer registries are lacking for all cancers, including prostate (PC), testicular (TC), and penile cancers. Using generalized additive models and data from the NORDCAN database, we analyzed 1- and 5-year relative survival for these cancers in Denmark (DK), Finland (FI), Norway (NO), and Sweden (SE) over a 50-year period (1971–2020). We additionally estimated conditional 5/1-year survival for patients who survived the 1st year after diagnosis. Survival improved early for TC, and 5-year survival

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Rindorf, Anna, Noel Cadigan, Daniel Howell, Margit Eero, and Henrik Gislason. "Periodic fluctuations in recruitment success of Atlantic cod." Canadian Journal of Fisheries and Aquatic Sciences 77, no. 2 (2020): 236–46. http://dx.doi.org/10.1139/cjfas-2018-0496.

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Autocorrelation in recruitment success of fish is frequently reported, but the underlying mechanisms are generally only vaguely alluded to. We analysed recruitment success of 21 cod (Gadus morhua) stocks in the North Atlantic to investigate possible common causes of autocorrelation in recruitment. We found autocorrelation and periodic fluctuations in recruitment success and adult growth in just above half of the stocks considered and investigated six possible underlying mechanisms. With three exceptions, the variations in recruitment success were not significantly related to temperature or gro

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Shuayb, Md, and Md Salim Reza. "Prolonged survival with maintenance pemetrexed for a multiple primary malignancy." BMJ Supportive & Palliative Care 9, no. 1 (2018): 51–53. http://dx.doi.org/10.1136/bmjspcare-2018-001559.

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Despite the fact that multiple primary malignancies (MPMs) are not new and have been diagnosed for about a hundred-year time, literatures on lung and colon primaries are scarce. We report a case of a 62-year-old Asian Bangladeshi man with stage IV lung adenocarcinoma who developed a metachronous stage II colon adenocarcinoma approximately 3 years later. A chemotherapy protocol of six cycles of pemetrexed/cisplatin followed by maintenance pemetrexed was used, and surgery was done for the colon primary. With more than 5 years of periodic follow-up, his disease remains stable without any local or

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Crane, Jonathan H., and Frederick S. Davies. "Periodic and Seasonal Flooding Effects on Survival, Growth, and Stomatal Conductance of Young Rabbiteye Blueberry Plants." Journal of the American Society for Horticultural Science 113, no. 4 (1988): 488–93. http://dx.doi.org/10.21273/jashs.113.4.488.

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Abstract The response of 2- to 3-year-old ‘Tifblue’ rabbiteye blueberry (Vaccinium ashei Reade) plants to periodic flooding of different durations and seasons was studied under field conditions in 1985 and 1986. Soil redox potentials (Eh) decreased to between 0 and −300 mV within 2 days of flooding and recovered to preflood levels (200 to 300 mV) within 8 to 10 days after flooding release. Plants survived 2-day (four periods) and 7-day (two periods) spring flooding treatments, whereas losses of 17% to 100% occurred after two 2- to 15-day summer flooding episodes. Most (83%) plants survived 106

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39

Murdoch, Victoria J., N. Cappuccino, and P. G. Mason. "The effects of periodic warming on the survival and fecundity ofDiadromus pulchellusduring long-term storage." Biocontrol Science and Technology 23, no. 2 (2013): 211–19. http://dx.doi.org/10.1080/09583157.2012.748183.

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San-juan, O. D., K. H. Chiappa, D. J. Costello, and A. J. Cole. "Periodic epileptiform discharges in hypoxic encephalopathy: BiPLEDs and GPEDs as a poor prognosis for survival." Seizure 18, no. 5 (2009): 365–68. http://dx.doi.org/10.1016/j.seizure.2009.01.003.

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41

Yin, Yong, Jianli Li, and Yanli Xu. "Positive almost periodic solution of discrete nonlinear survival red blood cells model with feedback control." Journal of Applied Mathematics and Computing 42, no. 1-2 (2012): 283–96. http://dx.doi.org/10.1007/s12190-012-0641-1.

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42

Cransac, N., A. J. M. Hewison, M. L. Maublanc, J. M. Gaillard, and J. M. Cugnasse. "Patterns of mouflon (Ovis gmelini) survival under moderate environmental conditions: effects of sex, age, and epizootics." Canadian Journal of Zoology 75, no. 11 (1997): 1867–75. http://dx.doi.org/10.1139/z97-816.

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We estimated survival probabilities over a 9-year period for an introduced population of Mediterranean mouflon (Ovis gmelini), applying capture – recapture models to resighting data from individually marked animals. Survival was high and constant among lambs, yearling males, and adults of both sexes, and we were unable to detect senescence among old animals. Survival of female yearlings varied widely among years. No difference in survival probabilities between the sexes was detected, indicating that the survival costs of sexual selection were low in this dimorphic species. We suggest that thes

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Weinzierl, Andrea, Maximilian Coerper, Yves Harder, Michael D. Menger, and Matthias W. Laschke. "Short-Term Periodic Fasting Reduces Ischemia-Induced Necrosis in Musculocutaneous Flap Tissue." Biomedicines 12, no. 3 (2024): 690. http://dx.doi.org/10.3390/biomedicines12030690.

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Periodic fasting (PF) as a form of dietary restriction has been shown to induce tissue-protective effects against ischemic injury in several different tissues. Accordingly, in this study we analyzed whether a short-term 24 h fast is suitable to prevent necrosis of musculocutaneous flap tissue undergoing acute persistent ischemia. C57BL/6N mice were randomly divided into a PF group (n = 8) and a control group that was given unrestricted access to standard chow (n = 8). The PF animals underwent a 24 h fast immediately before flap elevation and had unrestricted access to food for the rest of the

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Tomin, R., and W. L. Donegan. "Screening for recurrent breast cancer--its effectiveness and prognostic value." Journal of Clinical Oncology 5, no. 1 (1987): 62–67. http://dx.doi.org/10.1200/jco.1987.5.1.62.

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Performance of periodic follow-up examinations after mastectomy for breast cancer is standard practice, primarily for early detection and treatment of recurrence. This study was designed to determine whether this routine screening resulted in significant survival benefit for the patient. The medical records of 1,230 women treated for cure of invasive carcinoma of the breast were reviewed, and 248 cases of recurrence were identified for analysis. Only 36% of recurrences were discovered asymptomatically. Asymptomatic recurrence was associated with favorable biologic factors, ie, more frequent es

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Tikhonov, Evgeny, Valentin Bazykin, Igor Grigorev, Sergey Solovyov, and Elena Radkevich. "Study of the growth and survival parameters of Macrobrachium rosenbergii shrimp depending on the type of feed used." E3S Web of Conferences 273 (2021): 03008. http://dx.doi.org/10.1051/e3sconf/202127303008.

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The aim of the study is to determine the effect of the feed type (Daphnia pulex-based feed and Dajana nano gran brand) on the water quality (presence of microorganisms and suspended solids) and on the growth and survival of Macrobrachium rosenbergii shrimp larvae. The study implementation plan involved 4 groups of shrimps placed under the same conditions, which were evaluated for 14 weeks through periodic observations and biometrics. The data obtained recorded significant differences between the groups where the best growth and survival results were obtained in organisms that received Dajana n

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Janjić, Danijela M. "ŽIVOT U „PERIODNOM SISTEMU“ PRIMA LEVIJA." Nasledje Kragujevac XXI, no. 58 (2024): 87–96. https://doi.org/10.46793/naskg2458.087j.

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In the predominantly autobiographical collection of short stories The Periodic Table, Primo Levi gives a framework for his life starting from the memories of his ancestors and his early youth, which is why the work provides an insight into the formation of the chemist’s character, which will later be decisive for Levi’s survival in the concentration camp. Through the analysis of The Periodic Table, we will establish elements that are also significant for the interpretation of Levi’s work If This is a Man, for which The Periodic Table can be a kind of introduction, even though it was written mu

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Najafi, Rasoul, Fatemeh Amiri, Ghodrat Roshanaei, Mohammad Abbasi, and Mahdi Razi. "Factors Affecting Survival in Patients with Breast Cancer in Hamedan Province from 2001 to 2018." Iranian Quarterly Journal of Breast Disease 12, no. 4 (2019): 31–38. http://dx.doi.org/10.30699/ijbd.12.4.31.

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Introduction: Breast cancer is the most common cancer and one of the leading causes of death in women. Identification of factors affecting the survival rate of these patients is important for the prevention of breast cancer progression and better treatment. Methods: This retrospective cohort study was performed on 493 women with breast cancer referred to Imam Khomeini clinic in Hamadan between 2001 and 2018. The Kaplan-Meier method and the Cox proportional hazard model were used to estimate the survival rate and factors affecting patient survival. All analyses were performed using SPSS 21. Res

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Reyhani, Aylin, Gulcin Benbir Senel, and Derya Karadeniz. "Effects of Sleep-Related Disorders on the Prognosis of Amyotrophic Lateral Sclerosis." Neurodegenerative Diseases 19, no. 3-4 (2019): 148–54. http://dx.doi.org/10.1159/000505575.

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Background/Objective: In this study, we demonstrated the effects of obstructive sleep apnea syndrome (OSAS) on the prognosis of amyotrophic lateral sclerosis (ALS). However, the effects of sleep-related disorders other than breathing problems are still waiting to be delineated. Methods: In this longitudinal retrospective and prospective study, we investigated 73 patients with ALS compared to 20 healthy subjects, to determine sleep-related disorders and their impact on disease prognosis. Results: In patients with ALS, the mean respiratory disturbance index (RDI) was 28.0/h, which was significan

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Midlovets, Kostiantyn K., Danylo O. Kybenko, and Dmytro S. Krasnienkov. "Analysis of mortality dynamics under regular exposure to an extreme factor." Проблеми старіння і довголіття (Україна) . Problems of ageing and longevity (Ukraine) 30, no. 2 (2025): 82–93. https://doi.org/10.71012/pro-ageing-2025-2-07.

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Background. Methods for studying lifespan are key to understanding the patterns of pathological processes, assessing the effectiveness of therapeutic effects, and predicting results in biological and medical research.The aim: To test the multi-peak Gaussian fitting method for quantitatively describing the rate of population decline of a fixed-volume study group under periodic exposure to an extreme factor.Materials and Methods. Conducting an experiment using the Canton S line: adults were periodically exposed to 50 mM LiCl. Then, survival curves were constructed based on the recorded mortality

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Ezdinli, E. Z., J. R. Anderson, F. Melvin, J. H. Glick, T. E. Davis, and M. J. O'Connell. "Moderate versus aggressive chemotherapy of nodular lymphocytic poorly differentiated lymphoma." Journal of Clinical Oncology 3, no. 6 (1985): 769–75. http://dx.doi.org/10.1200/jco.1985.3.6.769.

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One hundred twenty-eight patients with purely nodular lymphocytic poorly differentiated lymphoma (NLPDL) without any prior therapy, entered on Eastern Cooperative Oncology Group protocol EST 2474, were analyzed for response, progression-free and overall survival. The restaged complete response rates with cyclophosphamide-prednisone (CP) (moderate regimen) of 54% compared favorably with those of the more intensive regimens; cyclophosphamide, vincristine, procarbazine and prednisone (COPP) (56%) and BCNU, cyclophosphamide, vincristine, and prednisone (BCVP) (53%). The toxicity of the regimens de

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