No abstract available
MeSH terms
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Bile / microbiology
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Biliary Tract Diseases / microbiology*
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Biliary Tract Diseases / pathology
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Biliary Tract Neoplasms / microbiology
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Biliary Tract Neoplasms / pathology
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Gastric Mucosa / chemistry
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Gastric Mucosa / microbiology
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Gastric Mucosa / pathology
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Helicobacter Infections / complications*
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Helicobacter pylori* / genetics
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Helicobacter pylori* / isolation & purification
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Humans
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Risk Factors