No abstract available
MeSH terms
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Breath Tests
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Duodenal Ulcer / microbiology*
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Gastric Mucosa / microbiology
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Helicobacter Infections / diagnosis*
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Helicobacter pylori / isolation & purification*
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Humans
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Peptic Ulcer Hemorrhage / microbiology*
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Predictive Value of Tests
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Pyloric Antrum / microbiology
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Sensitivity and Specificity
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Urea
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Urease / analysis*