No abstract available
MeSH terms
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Child
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Disease Transmission, Infectious
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Duodenal Ulcer / diagnosis
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Duodenal Ulcer / microbiology*
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Endoscopy, Gastrointestinal
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Gastritis / microbiology
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Helicobacter Infections / complications
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Helicobacter Infections / diagnosis*
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Helicobacter Infections / transmission*
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Helicobacter pylori*
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Humans
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Male