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Dissertations / Theses on the topic 'Disorders of the gastrointestinal tract'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Редько, Олена Костянтинівна, Елена Константиновна Редько, Olena Kostiantynivna Redko, З. Ф. Уледи та А. А. Качендже. "Эффективность использования пробиотика Симбитера у недоношенных детей". Thesis, Издательство СумГУ, 2012. http://essuir.sumdu.edu.ua/handle/123456789/27463.

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2

Brink, Gijs Robert van den. "Morphostasis of the adult gastrointestinal tract." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2002. http://dare.uva.nl/document/85925.

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3

Macadam, Anglea Brenda. "Drug targeting in the gastrointestinal tract." Thesis, University of Brighton, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306400.

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4

Dahlhoff, Maik. "Actions of betacellulin in the gastrointestinal tract." Diss., lmu, 2009. http://nbn-resolving.de/urn:nbn:de:bvb:19-98465.

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5

Forster, Eliot Richard. "Neuroendocrine control in the upper gastrointestinal tract." Thesis, University of Liverpool, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316600.

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6

Price, Kenneth J. "Nitric oxide in the rat gastrointestinal tract." Thesis, Aston University, 1997. http://publications.aston.ac.uk/10937/.

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This study concerns the nature of nitric oxide synthase (NOS) and the role of nitric oxide (NO) in the rat gastrointestinal tract. The major objectives were (i) to characterise NOS isoforms in the gastric glandular mucosa, (ii) to localise NOS isoforms in the rat gastric glandular mucosa, (iii) to investigate the role of NO in carbachol-stimulated gastric mucus secretion, (iv) to investigate the nature of NOS and small intestine. Immunoblotting was performed using polyclonal antisera raised against two peptides found in the rat brain NOS sequence and commercial monoclonal antibodies directed a

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7

Njuguna, Peter. "Studies on the manipulation of gastrointestinal tract bacteria." Access electronically, 2005. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20060719.125402/index.html.

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8

Mrowicki, Anna. "Disordered eating in gastrointestinal disorders." Thesis, University of Warwick, 2016. http://wrap.warwick.ac.uk/88064/.

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This thesis consists of three chapters, a literature review, an empirical paper, and a reflective paper. Chapter one is a critical review of case study research on Disordered Eating (DE) in Gastrointestinal disorders (GId). Following both database and manual searches, twelve case study reports, describing 29 cases, were included and reviewed. The case study data shows there be a relationship between DE and GId, though the nature and direction of this relationship remains unclear. Possible risk factors for the onset of DE behaviours in the GId population are identified and discussed, as are sug

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9

Eeden, Susanne van. "Endocrine tumors of the pancreas and gastrointestinal tract." [S.l. : Amsterdam : s.n.] ; Universiteit van Amsterdam [Host], 2005. http://dare.uva.nl/document/78589.

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10

Hunter, Andrew C. "Mucus and mucosal bicarbonate in the gastrointestinal tract." Thesis, University of Newcastle Upon Tyne, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329426.

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11

Ventayol-García, Tania. "Clonal expansion in the human upper gastrointestinal tract." Thesis, Queen Mary, University of London, 2013. http://qmro.qmul.ac.uk/xmlui/handle/123456789/8694.

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The high incidence of gastrointestinal cancers in the general population and the presence of premalignant dysplastic precursor lesions in the gastrointestinal tract make the gastrointestinal tract an ideal environment to study cancer clonality and clonal expansion. Background: Intestinal metaplastic (IM) glands in the human stomach are clonal, contain multiple stem cells and spread by fission. This mechanism of gland fission causes field cancerisation. We hypothesised that gastric adenocarcinoma (GA) progresses through a series of genetic events arising from a founder mutation. A process analo

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12

Williams, Julie M. "Aspects of signal transduction in the gastrointestinal tract." Thesis, Aston University, 1994. http://publications.aston.ac.uk/12504/.

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This study was undertaken to increase knowledge of the mechanisms of inter- and intracellular signalling in the gastrointestinal tract. Specific aims were: to use cell lines to elucidate factors affecting growth of gastric cells, to investigate the distribution and aspects of function of isoforms of protein kinase C in a gastric cell line and in the rat gastrointestinal tract and to determine the presence and regulation of nitric oxide synthase in gastrointestinal tissues from the rat and in cell lines. The gastric cancer cell line HGT-1 was used to investigate control of growth. Increases in

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13

Dias, Juliana. "Characterizing the gastrointestinal tract microbiota of dairy calves." Universidade Federal de Viçosa, 2017. http://www.locus.ufv.br/handle/123456789/13065.

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Submitted by Marco Antônio de Ramos Chagas (mchagas@ufv.br) on 2017-11-14T12:59:59Z No. of bitstreams: 1 texto completo.pdf: 3045284 bytes, checksum: 75fae3d40e3e0a912a8276323170df28 (MD5)<br>Made available in DSpace on 2017-11-14T12:59:59Z (GMT). No. of bitstreams: 1 texto completo.pdf: 3045284 bytes, checksum: 75fae3d40e3e0a912a8276323170df28 (MD5) Previous issue date: 2017-02-22<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Ao nascimento, os bezerros exibem um trato gastrointestinal subdesenvolvido (TGI) cuja maturação é estritamente relacionada à colonização da mi

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14

Hägebarth, Andrea. "Brk tyrosine kinase signaling in the gastrointestinal tract." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2005. http://dx.doi.org/10.18452/15379.

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Die Tyrosin Kinase Brk stellt den Prototypen nicht N-terminal myristoylierter, Nicht-Rezeptor Tyrosin Kinasen dar. Die Expression dieser Kinase ist auf epitheliale Gewebe beschränkt und wird während der Entwicklung differentiell reguliert. In normalen Geweben ist die Brk Expression auf nichtproliferierende, terminal differenzierte Zellen beschränkt. Um die regulatorische Funktion von Brk im murinen Darmepithel zu untersuchen, wurde das brk Gen in der Maus inaktiviert. Brk knockout Mäuse zeigten keine offensichtlichen Defekte in ihrer Entwicklung jedoch eine erweiterte Proliferationszone in den

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15

Johns, Catharine Emma. "Expression of glycosylated TFF2 in the upper gastrointestinal tract." Thesis, University of Newcastle upon Tyne, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.405073.

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16

Dhaliwal, Winnie. "Expression and regulation of defensins in the gastrointestinal tract." Thesis, Queen Mary, University of London, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.420406.

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17

Moncur, Peter Harrigan. "Trefoil peptides : key effector proteins in the gastrointestinal tract." Thesis, University of Leeds, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.415604.

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18

Morton, Magda Francesca. "Characterisation of cholecystokinin receptors in the human gastrointestinal tract." Thesis, King's College London (University of London), 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.271402.

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19

Kelly, John. "Pharmacological characterisation of alpha-adrenoceptors in the gastrointestinal tract." Thesis, Glasgow Caledonian University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377912.

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20

Abramson, Alex Gilbert. "Ingestible capsules for therapeutic injections in the gastrointestinal tract." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/122845.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Chemical Engineering, 2019<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 189-201).<br>Macromolecule drugs such as insulin have transformed our capacity to effectively treat diseases; however, their rapid degradation and poor absorption in the gastrointestinal (GI) tract generally limits their administration to parenteral routes. An oral biologic delivery system must aid in both localization and permeation to achieve systemic drug uptake. In this thesis I will describe two oral capsules

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21

Ford, Michael Joseph. "Functional disorders of the alimentary tract." Thesis, University of Edinburgh, 1985. http://hdl.handle.net/1842/19755.

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22

El-Kadi, Samer Wassim. "Regulation of macronutrient metabolism by the gastrointestinal tract of ruminants." College Park, Md. : University of Maryland, 2006. http://hdl.handle.net/1903/3814.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2006.<br>Thesis research directed by: Animal Sciences. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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23

Campbell, Stewart. "Metabolic interactions between alcohol, the liver and the gastrointestinal tract." Thesis, University of Glasgow, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.248184.

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24

Askoura, Momen Mahmoud Ez ElArab Abd ElAziz M. "Acid Adaptive Mechanisms of Campylobacter jejuni in the Gastrointestinal Tract." Thesis, Université d'Ottawa / University of Ottawa, 2015. http://hdl.handle.net/10393/32108.

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Campylobacter jejuni is a prevalent cause of bacterial gastroenteritis in humans worldwide. The mechanism by which C. jejuni survives stomach acidity remains unknown. In this study, we have demonstrated that the ferric uptake regulator Fur plays an important role in Campylobacter acid survival. C. jejuni with a fur deletion was more sensitive to acid than the wild-type. Profiling the acid stimulon of the C. jejuni ∆fur mutant allowed us to uncover Fur-regulated genes under acidic conditions. The up-regulation of heat shock genes and the down-regulation of genes involved in flagellar and cell e

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25

Jones, Nicola L. "Microbial induction of programmed cell death in the gastrointestinal tract." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0017/NQ45750.pdf.

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26

Holland, Gail Skene. "Diversity of propionate producing bacteria from the pig gastrointestinal tract." Thesis, University of Aberdeen, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.493590.

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Early weaning and a reduction in the use of antimicrobial growth promoters tend to increase the risk of enteric disease during a period when young pigs are particularly vulnerable, not least due to their immature gastrointestinal and immune systems. Additionally, young animals have yet to acquire a stable, mature commensal microflora. This study examined anaerobic bacterial groups and species present in the different sections of the porcine gastrointestinal tract (GIT), and attempted to identify components of the healthy microflora that might be used to reduce the risk of disease through proph

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27

Rose, Felicity. "The elucidation of antimicrobial activity in the human gastrointestinal tract." Thesis, University of Nottingham, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285756.

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28

Nijhuis, Anke. "Roles of microRNAs in diseases of the human gastrointestinal tract." Thesis, Queen Mary, University of London, 2015. http://qmro.qmul.ac.uk/xmlui/handle/123456789/9547.

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Crohn's disease (CD) and colorectal cancer (CRC) are major disorders of the intestine. Inflammation in CD often precedes fibrosis and stricture formation, and is linked to increased cancer risk. Hypoxia is a common feature of inflammation and CRC that can severely compromise the effectiveness of current therapy regimes including chemo-radiotherapy and maintenance of remission in CD patients. MicroRNAs (miRNAs) are key regulatory molecules involved in cellular proliferation, apoptosis and fibrosis, which are all modulated by hypoxia. This thesis aims to understand the role of miRNAs in these tw

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29

Burke, M. P. D. "Bidirectional propulsion of devices along the gastrointestinal tract using electrostimulation." Thesis, University College London (University of London), 2013. http://discovery.ucl.ac.uk/1397662/.

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This thesis describes a method for propelling devices such as video capsule endoscopes in either direction along the small intestines using electrostimulation-induced muscular contractions. When swallowed, passive diagnostic ‘one-shot’ devices rely on sporadic peristaltic movement, possibly missing vital ‘areas of interest’. This bidirectional propulsion method provides active control for that all-important ‘second look’. Design considerations, within the dimensional constraints, required a device shape that would achieve maximum propulsion from safely induced useful contractions produced by t

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30

Ramsay, George. "Environmental signals that control T lymphocytes in the gastrointestinal tract." Thesis, University of Dundee, 2015. https://discovery.dundee.ac.uk/en/studentTheses/d287e221-26f9-43b2-b56b-927518a6349a.

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The Aryl Hydrocarbon Receptor Nuclear Translocator (ARNT) binds the Aryl Hydrocarbon Receptor (AHR) and also the Hypoxia Inducible Factor-1α (HIF-1α). Both the AHR and HIF-1α are key sensors of the microenvironment. Dietary tryptophan metabolites and microbiota catabolites are AHR ligands and HIF-1α is a sensor of low oxygen tension. Deletion of the AHR results in a loss of key lymphocyte subsets in the barrier organs of the skin and the intestine, but whether these effects are solely mediated by AHR–ARNT complexes is unclear. Moreover, the influence of HIF-1α-ARNT complexes in mucosal lymphoc

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31

Luís, Ana Sofia de Jesus Vaz. "Microbial pectin recognition and utilization of the mammalian gastrointestinal tract." Thesis, University of Newcastle upon Tyne, 2017. http://hdl.handle.net/10443/3734.

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Plant cell wall polysaccharides represent one of the major nutrients available to the human microbiota, which has a significant impact on host nutrition and health. Pectins are one of the major plant cell wall components. Understanding the mechanism of protein recognition and enzymatic degradation of these polysaccharides can have significant implications, not only in promotion of human health, but also in an industrial context. In this thesis the founding member of a carbohydrate binding module (CBM) family that targets homogalacturonan (HG) was characterized. The mechanism of degradation of

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32

Arrick, Graham(Graham Philip). "Delivery of macromolecule therapeutics via jetting in the gastrointestinal tract." Thesis, Massachusetts Institute of Technology, 2020. https://hdl.handle.net/1721.1/130613.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, May, 2020<br>Cataloged from the official PDF version of thesis.<br>Includes bibliographical references (pages 59-62).<br>Biologics are a class of therapeutic substances composed of large and complex "macromolecules." Examples include vaccines, insulin, monoclonal antibodies, and allergens. However, a practical limitation of these molecules is that they are easily degraded by digestive processes and, as a result, are not generally considered effective for oral dosing. Therefore, these life-saving drugs ar

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33

Feeney, Mark. "The expression of heme oxygenase-1 in the gastrointestinal tract." Thesis, University of Bath, 2005. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.418604.

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34

Dalvi, Megha Dattatrey. "Customizable 3-D Virtual GI Tract Systems For Locating, Mapping, And Navigation Inside Human Gastrointestinal Tract." Wright State University / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=wright1484349131194115.

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35

Bennett, Ethelle. "Functional gastrointestinal disorders relations between psychosocial factors, symptoms and sensorimotor disturbance /." Connect to full text, 1999. http://hdl.handle.net/2123/410.

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Thesis (Ph. D.)-- University of Sydney, 1999.<br>Title from title screen (viewed Apr. 21, 2008). Submitted in fulfilment of the requirements for the degree of Doctor of Philosophy to the Depts. of Psychological Medicine and Medicine. Includes tables. Includes bibliography. Also available in print form.

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36

Mañé, Reed Noemí. "Neuromuscular transmission in the gastrointestinal tract and its interaction with pacemakers." Doctoral thesis, Universitat Autònoma de Barcelona, 2016. http://hdl.handle.net/10803/393991.

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L'intestí gros desenvolupa una varietat de funcions essencials per a una utilització òptima dels aliments. Es necessiten diferents tipus de patrons de motilitat per dur a terme aquestes funcions i, en aquesta tesi, el nostre objectiu ha estat augmentar la comprensió dels mecanismes subjacents a la seva regulació. La coordinació temporal i espacial de les contraccions i relaxacions del múscul llis donen lloc als diferents patrons motors. El múscul llis està sota el control de dos sistemes: el Sistema Nerviós Entèric i les xarxes de Cèl·lules Intersticials de Cajal (ICC). Els principals t

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37

Tait, Valerie K. "Iron as a risk factor for cancers of the gastrointestinal tract." Thesis, University of Ottawa (Canada), 2009. http://hdl.handle.net/10393/28221.

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Background. Iron is a pro-oxidant and involved in inflammatory response and endogenous nitrosation. It is a candidate modifiable risk factor for cancers of the gastrointestinal (GI) tract. Methods. A gene-disease systematic review was conducted to investigate associations between polymorphisms in iron metabolism genes, including HFE, and GI tract cancers. Data from a case-control study of dietary risk factors and esophageal adenocarcinoma (EAC) were analysed to investigate the association between HFE variants and EAC and reported intakes of red meat, iron (total and heme-bound) and EAC. Result

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38

Quong, Douglas. "DNA immobilization for the biomonitoring of carcinogens in the gastrointestinal tract." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=68048.

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DNA immobilization was demonstrated using the emulsification/internal gelation technique for calcium alginate bead production. The microspheres formed were recoverable magnetically, resistant to acidic environments, and strong enough to withstand gastrointestinal transit. Purification of DNA from alginate was accomplished sing a Sepharose CL-2B gel column, resulting in decreased alginate interference when quantifying DNA by absorbance. DNA microspheres were studied in vitro for the ability to trap ($ sp{14}$C) methyl iodide and in vivo with ($ sp{14}$C) benzo(a)pyrene. Assay of recovered DNA m

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39

Borman, Richard Anthony. "Functional characterisation of 5-hydroxytryptamine receptors in the human gastrointestinal tract." Thesis, Queen Mary, University of London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362329.

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40

李保能 and Po-nung Peter Lee. "Melatonin and 2-[125I]iodomelatonin binding sites in the gastrointestinal tract." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1993. http://hub.hku.hk/bib/B31233673.

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41

Yassin, Magdi M. I. "The effects of lower limb ischaemia-reperfusion on the gastrointestinal tract." Thesis, Queen's University Belfast, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318957.

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42

Collins, John Samuel Andrew. "A morphometric study of inflammatory conditions of the upper gastrointestinal tract." Thesis, Queen's University Belfast, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.336208.

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43

Taylor, E. Jean. "The fate of starches in the gastrointestinal tract of the rat." Thesis, University of Nottingham, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358285.

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44

Bullock, Natalie R. "The digestion and fermentation of resistant starch in the gastrointestinal tract." Thesis, University of Nottingham, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267095.

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45

Reeves, Jonathan William. "The clinical use of therapeutic microwaves in the upper gastrointestinal tract." Thesis, University of Kent, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.405992.

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46

Watkins, Emma Jayne. "Posthatch growth of the gastrointestinal tract in wild and domesticated waterfowl." Thesis, University of Birmingham, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.403458.

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47

Malhi, Sukbir Kaur. "Drug targeting to the gastrointestinal tract using a novel carrier system." Thesis, University of Brighton, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318729.

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48

Tsai, Tsung-Han Ph D. Massachusetts Institute of Technology. "Endoscopic optical coherence tomography for clinical studies in the gastrointestinal tract." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/84897.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references.<br>Optical coherence tomography (OCT) performs micrometer-scale, cross-sectional and three dimensional imaging by measuring the echo time delay of backscattered light. OCT imaging is performed using low-coherence interferometry. With the development of Fourier domain detection techniques and fiber-optic based OCT endoscopes, high speed internal body imaging was enabled, which makes OCT suitable

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49

Bhuiyan, Md Nasir Uddin. "A revised model for radiation dosimetry in the human gastrointestinal tract." Diss., Texas A&M University, 2003. http://hdl.handle.net/1969/487.

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O'Rorke, Michael Anthony. "Physical activity, nutrition and the prevention of upper gastrointestinal tract cancer." Thesis, Queen's University Belfast, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.546406.

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