No abstract available
MeSH terms
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Data Collection
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Endoscopy, Gastrointestinal
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Europe / epidemiology
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Gastrointestinal Hemorrhage / diagnosis
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Gastrointestinal Hemorrhage / epidemiology*
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Humans
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Incidence
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Peptic Ulcer Hemorrhage / diagnosis
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Peptic Ulcer Hemorrhage / epidemiology*
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Societies, Medical
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United States / epidemiology