No abstract available
MeSH terms
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Adult
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Comorbidity
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Endoscopy, Gastrointestinal / methods*
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Gastrointestinal Hemorrhage / epidemiology
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Gastrointestinal Stromal Tumors / diagnosis*
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Gastrointestinal Stromal Tumors / epidemiology*
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Gastrointestinal Stromal Tumors / pathology
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Humans
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Male
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Melena / epidemiology
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Neurofibromatosis 1 / epidemiology*