No abstract available
MeSH terms
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Aged
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Endoscopy*
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Hemorrhage / etiology*
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Hemorrhage / mortality
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Hemorrhage / surgery*
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Humans
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Male
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Peptic Ulcer / complications*
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Peptic Ulcer / diagnosis*
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Peptic Ulcer / mortality
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Peptic Ulcer / surgery
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Randomized Controlled Trials as Topic
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Risk
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Surgical Instruments