No abstract available
MeSH terms
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Drug Resistance, Microbial
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Duodenal Ulcer / drug therapy*
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Gastric Acid / metabolism
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Helicobacter Infections / drug therapy*
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Helicobacter Infections / physiopathology
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Helicobacter pylori*
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Histamine H2 Antagonists / therapeutic use*
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Humans
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Male