No abstract available
MeSH terms
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Duodenal Diseases / diagnosis
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Emergencies*
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Endoscopy*
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Esophageal Diseases / diagnosis
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Esophagoscopy
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Gastrointestinal Hemorrhage / diagnosis
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Gastrointestinal Hemorrhage / etiology
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Gastroscopy
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General Surgery
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Germany, West
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Humans
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Stomach Diseases / diagnosis
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Surgical Procedures, Operative*
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Workforce