Page last updated: 2024-08-23

amoxicillin and Gastritis, Atrophic

amoxicillin has been researched along with Gastritis, Atrophic in 33 studies

Research

Studies (33)

TimeframeStudies, this research(%)All Research%
pre-19900 (0.00)18.7374
1990's8 (24.24)18.2507
2000's15 (45.45)29.6817
2010's7 (21.21)24.3611
2020's3 (9.09)2.80

Authors

AuthorsStudies
Ou, S; Xu, Y; Yang, T; Yao, J; Yuan, X; Zuo, X1
Bernardino, JI; Martín Carbonero, L; Montejano, R; Moreno, V; Serrano, L; Valencia, ME1
Fukuda, K; Fukuda, M; Hirashita, Y; Kawahara, Y; Kodama, M; Kudo, Y; Matsunari, O; Mizukami, K; Murakami, K; Ogawa, R; Okamoto, K; Okimoto, T; Wada, Y1
Cho, SJ; Choi, IJ; Kim, CG; Kim, YI; Kook, MC; Lee, JY; Nam, BH; Park, B1
Cui, R; Ding, S; Guo, C; Huang, X; Jin, Z; Li, Y; Lin, S; Meng, L; Xue, Y; Yan, X; Zhang, J; Zhang, L; Zhou, L1
Inoue, S; Itagaki, T; Kagemoto, K; Mitsui, Y; Muguruma, N; Naruse, K; Takayama, T1
Becquart, JP; Camuset, G; Gérardin, P; Guillemot, G; Jaubert, J; Kwiatek, S; Michault, A; Picot, S; Thomas, E; Zemali, N1
Inoue, H; Ito, M; Kasai, C; Moritani, I; Oya, Y; Shiraki, K; Sugimoto, K; Takase, K; Takei, Y; Tameda, M; Tanaka, J1
Bravo, JC; Bravo, LE; Casabon, AL; Casabon, LA; Collazos, T; Correa, P; Fischbach, LA; Guerrero, LZ; Ojha, PR; Ojha, RP; Priest, EL; Singh, KP; Singh, PK; Zarama, GR1
Fujioka, T; Kodama, M; Murakami, K; Okimoto, T; Sato, R; Watanabe, K1
Hibi, T; Nishizawa, T; Suzuki, H; Tsugawa, H1
Asaka, M; Shimodan, M; Sugiyama, T; Tsuchida, M; Yokota, K1
Figueroa, LS; Guarner, J; Halperin, D; Herrera-Goepfert, R; Ley, C; Mohar, A; Parsonnet, J1
Schuster, MJ1
Bielanski, W; Galuschka, K; Hahn, EG; Karcz, D; Konturek, PC; Konturek, SJ; Rembiasz, K; Stachura, J1
Asaka, M1
Haruma, K; Hata, J; Ito, M; Kamada, T; Kusunoki, H; Sasaki, A; Tanaka, S; Yoshihara, M1
Correa, P; Feldman, M; Fischbach, LA; Fontham, E; Goodman, KJ; Jain, R; Priest, E1
Schuster, M1
Hershko, C; Hoffbrand, AV; Keret, D; Lahad, A; Maschler, I; Monselise, Y; Souroujon, M1
Bravo, JC; Bravo, LE; Camargo, MC; Ceron, C; Correa, P; Delgado, AG; Fontham, ET; Mera, RM; Piazuelo, MB; Yepez, MC1
Biasco, G; Paparo, GF; Tucci, A1
Fujioka, T; Kodama, R; Kubota, T; Murakami, K; Nasu, M; Tokieda, M1
Dankert, J; Dekker, FW; Keller, JJ; Kruizinga, SP; Ten Kate, FJ; Tytgat, GN; van der Ende, A; van der Hulst, RW; Weel, JF1
Färkkilä, M; Haapiainen, R; Kokkola, A; Kosunen, TU; Puolakkainen, P; Rautelin, H; Sipponen, P1
Fujioka, T; Kubota, T; Murakami, K; Sato, R1
Asaka, M; Hirayama, Y; Nakamura, T; Takahashi, S; Uemura, N1
Ara, JR; Bertol, V; Brieva, L; Canellas, A; del Agua, C1
Kaitani, K; Kita, T; Murakami, M; Nishio, K; Saita, H; Sou, Y; Takahashi, Y1
Bravo, JC; Bravo, LE; Correa, P; Realpe, JL; Ruiz, B; van Doorn, LJ1
Bloemena, E; Festen, HP; Klinkenberg-Knol, EC; Kuipers, EJ; Lindeman, J; Luckers, AE; Meuwissen, SG; Nelis, GF; Schenk, BE; Snel, P; Thijs, JC; Viergever, PP1
Haapiainen, R; Härkönen, M; Kokkola, A; Kosunen, TU; Puolakkainen, P; Rautelin, H; Sipponen, P1
Bazzoli, F; Bianchi Porro, G; Bianchi, MG; Molteni, M; Pazzato, P; Zagari, RM1

Reviews

6 review(s) available for amoxicillin and Gastritis, Atrophic

ArticleYear
Molecular approaches and modern clinical strategies for the management of Helicobacter pylori infection in Japan.
    The Keio journal of medicine, 2012, Volume: 61, Issue:4

    Topics: Amoxicillin; Anti-Bacterial Agents; Clarithromycin; Drug Therapy, Combination; Gastritis, Atrophic; Gene Expression Regulation, Bacterial; Helicobacter Infections; Helicobacter pylori; Humans; Japan; Lymphoma, B-Cell, Marginal Zone; Peptic Ulcer; Proton Pump Inhibitors; Stomach Neoplasms; Virulence

2012
[Helicobacter pylori. Update 2002].
    Praxis, 2002, Nov-27, Volume: 91, Issue:48

    Topics: Adenocarcinoma; Amoxicillin; Anti-Bacterial Agents; Clarithromycin; Drug Therapy, Combination; Duodenal Ulcer; Dyspepsia; Follow-Up Studies; Gastritis, Atrophic; Gastroesophageal Reflux; Helicobacter Infections; Helicobacter pylori; Humans; Lymphoma, B-Cell, Marginal Zone; Metronidazole; Penicillins; Peptic Ulcer; Proton Pump Inhibitors; Recurrence; Risk; Risk Factors; Stomach Neoplasms; Stomach Ulcer; Time Factors

2002
[Guidelines in the management of Helicobacter pylori infection in Japan].
    Nihon rinsho. Japanese journal of clinical medicine, 2003, Volume: 61 Suppl 2

    Topics: 2-Pyridinylmethylsulfinylbenzimidazoles; Amoxicillin; Clarithromycin; Drug Therapy, Combination; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Japan; Lansoprazole; Lymphoma, B-Cell, Marginal Zone; Microbiology; Omeprazole; Peptic Ulcer; Polyps; Practice Guidelines as Topic; Proton Pump Inhibitors; Societies, Medical; Stomach Neoplasms

2003
[Helicobacter pylori: reasons for eradication].
    Praxis, 2004, Dec-22, Volume: 93, Issue:51-52

    Topics: Adenocarcinoma; Amoxicillin; Anti-Ulcer Agents; Clarithromycin; Drug Therapy, Combination; Gastritis; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Lymphoma, B-Cell, Marginal Zone; Metronidazole; Peptic Ulcer; Proton Pump Inhibitors; Risk Factors; Secondary Prevention; Stomach Neoplasms

2004
[Problems following antibiotic therapy for eradication of Helicobacter pylori].
    Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine, 1998, May-10, Volume: 87, Issue:5

    Topics: Amoxicillin; Anti-Bacterial Agents; Antitrichomonal Agents; Clarithromycin; Drug Resistance, Microbial; Esophagitis, Peptic; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Metronidazole; Peptic Ulcer

1998
Treatment of Helicobacter pylori infection. Indications and regimens: an update.
    Digestive and liver disease : official journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver, 2002, Volume: 34, Issue:1

    Topics: Amoxicillin; Anti-Bacterial Agents; Anti-Ulcer Agents; Clarithromycin; Drug Therapy, Combination; Dyspepsia; Gastritis, Atrophic; Gastroesophageal Reflux; Helicobacter Infections; Helicobacter pylori; Humans; Practice Guidelines as Topic; Ranitidine

2002

Trials

9 trial(s) available for amoxicillin and Gastritis, Atrophic

ArticleYear
Helicobacter pylori Therapy for the Prevention of Metachronous Gastric Cancer.
    The New England journal of medicine, 2018, Mar-22, Volume: 378, Issue:12

    Topics: Adenoma; Adult; Aged; Amoxicillin; Anti-Bacterial Agents; Clarithromycin; Double-Blind Method; Drug Therapy, Combination; Female; Follow-Up Studies; Gastritis, Atrophic; Gastroscopy; Helicobacter Infections; Helicobacter pylori; Humans; Incidence; Intention to Treat Analysis; Kaplan-Meier Estimate; Male; Middle Aged; Neoplasm Recurrence, Local; Prospective Studies; Proton Pump Inhibitors; Rabeprazole; Stomach; Stomach Neoplasms

2018
Relationship of Helicobacter pylori eradication with gastric cancer and gastric mucosal histological changes: a 10-year follow-up study.
    Chinese medical journal, 2014, Volume: 127, Issue:8

    Topics: Adult; Aged; Amoxicillin; Anti-Bacterial Agents; Clarithromycin; Double-Blind Method; Female; Follow-Up Studies; Gastric Mucosa; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Male; Middle Aged; Omeprazole; Stomach Neoplasms

2014
A randomized clinical trial to determine the efficacy of regimens containing clarithromycin, metronidazole, and amoxicillin among histologic subgroups for Helicobacter pylori eradication in a developing country.
    Helicobacter, 2009, Volume: 14, Issue:2

    Topics: Adult; Aged; Amoxicillin; Anti-Bacterial Agents; Clarithromycin; Cohort Studies; Colombia; Developing Countries; Drug Therapy, Combination; Female; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Male; Metronidazole; Middle Aged; Single-Blind Method; Treatment Outcome

2009
Eradication rate of Helicobacter pylori in a Mexican population at high risk for gastric cancer and use of serology to assess cure.
    The American journal of gastroenterology, 2002, Volume: 97, Issue:10

    Topics: Adenocarcinoma; Adult; Amoxicillin; Anti-Bacterial Agents; Anti-Ulcer Agents; Antibodies, Bacterial; Antigens, Bacterial; Bacterial Proteins; Clarithromycin; Drug Therapy, Combination; Enzyme-Linked Immunosorbent Assay; Female; Gastrins; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Immunoglobulin G; Male; Middle Aged; Omeprazole; Penicillins; Precancerous Conditions; Recurrence; Risk Factors; ROC Curve; Stomach Neoplasms

2002
The long-term effect of Helicobacter pylori eradication therapy on symptoms in dyspeptic patients with fundic atrophic gastritis.
    Alimentary pharmacology & therapeutics, 2003, Jul-15, Volume: 18, Issue:2

    Topics: Adult; Aged; Amoxicillin; Anti-Bacterial Agents; Anti-Ulcer Agents; Clarithromycin; Double-Blind Method; Drug Therapy, Combination; Dyspepsia; Endoscopy, Gastrointestinal; Female; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Male; Middle Aged; Omeprazole; Penicillins; Treatment Outcome

2003
Increased reflux symptoms after calcium carbonate supplementation and successful anti-Helicobacter pylori treatment.
    Digestive diseases and sciences, 2003, Volume: 48, Issue:8

    Topics: Adult; Amoxicillin; Antacids; Bismuth; Calcium Carbonate; Drug Therapy, Combination; Dyspepsia; Female; Gastric Acidity Determination; Gastritis, Atrophic; Gastroesophageal Reflux; Gastroscopy; Helicobacter Infections; Helicobacter pylori; Humans; Male; Metronidazole; Middle Aged; Organometallic Compounds; Retrospective Studies; Risk Factors; Salicylates; Tetracycline

2003
Positive result by serology indicates active Helicobacter pylori infection in patients with atrophic gastritis.
    Journal of clinical microbiology, 1998, Volume: 36, Issue:6

    Topics: Aged; Amoxicillin; Anti-Bacterial Agents; Antibodies, Bacterial; Breath Tests; Drug Therapy, Combination; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Male; Urea

1998
Factors influencing Helicobacter pylori eradication with 2 week combination therapy of lansoprazole and amoxycillin: intragastric distribution of colonization and gastric mucosal atrophy.
    Journal of gastroenterology and hepatology, 1998, Volume: 13, Issue:7

    Topics: 2-Pyridinylmethylsulfinylbenzimidazoles; Amoxicillin; Anti-Bacterial Agents; Drug Administration Schedule; Drug Therapy, Combination; Female; Gastric Mucosa; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Lansoprazole; Male; Middle Aged; Omeprazole; Penicillins; Peptic Ulcer; Proton Pump Inhibitors; Time Factors

1998
Effect of Helicobacter pylori eradication on chronic gastritis during omeprazole therapy.
    Gut, 2000, Volume: 46, Issue:5

    Topics: Adult; Aged; Amoxicillin; Anti-Bacterial Agents; Anti-Ulcer Agents; Case-Control Studies; Clarithromycin; Esophagitis, Peptic; Female; Gastritis, Atrophic; Gastroesophageal Reflux; Helicobacter Infections; Helicobacter pylori; Humans; Male; Middle Aged; Omeprazole; Penicillins; Prospective Studies

2000

Other Studies

18 other study(ies) available for amoxicillin and Gastritis, Atrophic

ArticleYear
Clinical Efficacy of Diet Intervention Combined with Bismuth Potassium Citrate in Helicobacter pylori-Related Chronic Atrophic Gastritis.
    Alternative therapies in health and medicine, 2023, Volume: 29, Issue:8

    Topics: Amoxicillin; Anti-Bacterial Agents; Bismuth; Drug Therapy, Combination; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Potassium; Potassium Citrate; Treatment Outcome

2023
[Helicobacter pylori infection in the HIV + population: a comorbidity to think about].
    Revista espanola de quimioterapia : publicacion oficial de la Sociedad Espanola de Quimioterapia, 2020, Volume: 33, Issue:1

    Topics: Adult; Amoxicillin; Anti-Bacterial Agents; Anti-HIV Agents; Anti-Ulcer Agents; Clarithromycin; Comorbidity; Drug Therapy, Combination; Dyspepsia; Female; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; HIV Infections; Humans; Male; Metronidazole; Middle Aged; Omeprazole; Retrospective Studies; Spain

2020
Gastric mucosal changes, and sex differences therein, after Helicobacter pylori eradication: A long-term prospective follow-up study.
    Journal of gastroenterology and hepatology, 2021, Volume: 36, Issue:8

    Topics: Adult; Aged; Amoxicillin; Anti-Bacterial Agents; Atrophy; Clarithromycin; Female; Follow-Up Studies; Gastric Mucosa; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Lansoprazole; Male; Metaplasia; Metronidazole; Middle Aged; Omeprazole; Prospective Studies; Proton Pump Inhibitors; Rabeprazole; Sex Factors; Young Adult

2021
Gastric inflammatory fibroid polyp morphologically changed by Helicobacter pylori eradication.
    Clinical journal of gastroenterology, 2015, Volume: 8, Issue:2

    Topics: Amoxicillin; Anti-Bacterial Agents; Clarithromycin; Endoscopy, Digestive System; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Male; Middle Aged; Polyps; Proton Pump Inhibitors; Rabeprazole; Stomach Neoplasms

2015
Helicobacter pylori resistance to clarithromycin in Reunion Island.
    Medecine et maladies infectieuses, 2016, Volume: 46, Issue:7

    Topics: Adenocarcinoma; Amoxicillin; Anti-Bacterial Agents; Clarithromycin; DNA, Bacterial; Drug Resistance, Microbial; Drug Therapy, Combination; Dyspepsia; Gastric Fundus; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Metaplasia; Mutation; Proton Pump Inhibitors; Pyloric Antrum; Reunion; Stomach Neoplasms

2016
Changes in plasma ghrelin and leptin levels in patients with peptic ulcer and gastritis following eradication of Helicobacter pylori infection.
    BMC gastroenterology, 2016, Oct-04, Volume: 16, Issue:1

    Topics: Adult; Aged; Amoxicillin; Anti-Bacterial Agents; Anti-Ulcer Agents; Biopsy; Body Mass Index; Body Weight; Case-Control Studies; Clarithromycin; Drug Therapy, Combination; Endoscopy, Digestive System; Female; Gastric Mucosa; Gastritis, Atrophic; Ghrelin; Helicobacter Infections; Helicobacter pylori; Humans; Lansoprazole; Leptin; Male; Middle Aged; Peptic Ulcer

2016
Development of corpus atrophic gastritis may be associated with Helicobacter pylori-related idiopathic thrombocytopenic purpura.
    Journal of gastroenterology, 2011, Volume: 46, Issue:8

    Topics: 2-Pyridinylmethylsulfinylbenzimidazoles; Adult; Aged; Amoxicillin; Anti-Bacterial Agents; Clarithromycin; Drug Therapy, Combination; Female; Gastritis, Atrophic; Gastroscopy; Helicobacter Infections; Helicobacter pylori; Humans; Lansoprazole; Male; Metronidazole; Middle Aged; Pepsinogens; Platelet Count; Purpura, Thrombocytopenic, Idiopathic; Treatment Outcome

2011
Improvement of long-standing iron-deficiency anemia in adults after eradication of Helicobacter pylori infection.
    Internal medicine (Tokyo, Japan), 2002, Volume: 41, Issue:6

    Topics: 2-Pyridinylmethylsulfinylbenzimidazoles; Adult; Amoxicillin; Anemia, Iron-Deficiency; Anti-Bacterial Agents; Anti-Ulcer Agents; Breath Tests; Chronic Disease; Clarithromycin; Drug Therapy, Combination; Female; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Hematologic Tests; Humans; Lansoprazole; Omeprazole; Penicillins; Treatment Outcome

2002
Gene expression of ornithine decarboxylase, cyclooxygenase-2, and gastrin in atrophic gastric mucosa infected with Helicobacter pylori before and after eradication therapy.
    Digestive diseases and sciences, 2003, Volume: 48, Issue:1

    Topics: Amoxicillin; Anti-Ulcer Agents; Clarithromycin; Cyclooxygenase 2; Drug Therapy, Combination; Female; Gastric Mucosa; Gastrins; Gastritis, Atrophic; Gene Expression; Helicobacter Infections; Helicobacter pylori; Humans; Isoenzymes; Male; Membrane Proteins; Middle Aged; Omeprazole; Ornithine Decarboxylase; Peroxidases; Prostaglandin-Endoperoxide Synthases; RNA, Messenger

2003
Role of autoimmune gastritis, Helicobacter pylori and celiac disease in refractory or unexplained iron deficiency anemia.
    Haematologica, 2005, Volume: 90, Issue:5

    Topics: Adolescent; Adult; Aged; Amoxicillin; Anemia, Iron-Deficiency; Antibodies, Bacterial; Autoantibodies; Autoimmune Diseases; Bacterial Proteins; Breath Tests; Celiac Disease; Child; Clarithromycin; Comorbidity; Drug Therapy, Combination; Female; Ferrous Compounds; Gastrins; Gastritis; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Immunoglobulin G; Male; Middle Aged; Omeprazole; Parietal Cells, Gastric; Prospective Studies; Urease; Vitamin B 12 Deficiency

2005
Effect of smoking on failure of H. pylori therapy and gastric histology in a high gastric cancer risk area of Colombia.
    Acta gastroenterologica Latinoamericana, 2007, Volume: 37, Issue:4

    Topics: Amoxicillin; Anti-Infective Agents; Bismuth; Colombia; Drug Therapy, Combination; Female; Follow-Up Studies; Gastric Mucosa; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Male; Metaplasia; Metronidazole; Organometallic Compounds; Precancerous Conditions; Regression Analysis; Salicylates; Smoking; Treatment Failure

2007
Effect of eradication of Helicobacter pylori in patients with fundic atrophic gastritis.
    The New England journal of medicine, 1997, Mar-27, Volume: 336, Issue:13

    Topics: Amoxicillin; Bismuth; Female; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Male; Metronidazole; Middle Aged

1997
Helicobacter pylori infection accelerates human gastric mucosal cell proliferation.
    Journal of gastroenterology, 1997, Volume: 32, Issue:2

    Topics: Amoxicillin; Anti-Ulcer Agents; Biopsy; Case-Control Studies; Cell Division; Drug Therapy, Combination; Female; Gastric Mucosa; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Male; Middle Aged; Omeprazole; Penicillins

1997
Effect of Helicobacter pylori eradication on gastritis in relation to cagA: a prospective 1-year follow-up study.
    Gastroenterology, 1997, Volume: 113, Issue:1

    Topics: Amoxicillin; Antigens, Bacterial; Bacterial Proteins; Drug Therapy, Combination; Female; Follow-Up Studies; Gastric Mucosa; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Male; Middle Aged; Omeprazole; Prospective Studies; Time Factors

1997
[Topics on Helicobacter pylori (discussion)].
    Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine, 1998, May-10, Volume: 87, Issue:5

    Topics: Amoxicillin; Animals; Anti-Bacterial Agents; Clarithromycin; Drug Therapy, Combination; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Penicillins; Stomach Neoplasms

1998
[Polyneuropathy caused by vitamin B12 deficiency secondary to chronic atrophic gastritis and giardiasis].
    Revista de neurologia, 1998, Volume: 26, Issue:154

    Topics: Amoxicillin; Anemia, Pernicious; Anti-Bacterial Agents; Antiprotozoal Agents; Bismuth; Duodenitis; Enzyme Inhibitors; Evoked Potentials, Somatosensory; Female; Gastritis, Atrophic; Giardiasis; Helicobacter Infections; Helicobacter pylori; Humans; Hydroxocobalamin; Malabsorption Syndromes; Metronidazole; Middle Aged; Neural Conduction; Omeprazole; Peripheral Nervous System Diseases; Remission Induction; Vitamin B 12 Deficiency

1998
Unsuccessful treatment results in survival of less virulent genotypes of Helicobacter pylori in Colombian patients.
    The American journal of gastroenterology, 2000, Volume: 95, Issue:2

    Topics: Amoxicillin; Antacids; Anti-Bacterial Agents; Bismuth; Chemoprevention; Colombia; Follow-Up Studies; Gastritis, Atrophic; Genotype; Helicobacter Infections; Helicobacter pylori; Humans; Metronidazole; Organometallic Compounds; Penicillins; Precancerous Conditions; Salicylates; Stomach Neoplasms; Treatment Failure; Virulence

2000
The effect of Helicobacter pylori eradication on the natural course of atrophic gastritis with dysplasia.
    Alimentary pharmacology & therapeutics, 2002, Volume: 16, Issue:3

    Topics: 2-Pyridinylmethylsulfinylbenzimidazoles; Aged; Amoxicillin; Anti-Bacterial Agents; Drug Combinations; Gastritis, Atrophic; Helicobacter Infections; Helicobacter pylori; Humans; Lansoprazole; Male; Metronidazole; Middle Aged; Omeprazole; Serologic Tests

2002