title: [The sources of acute hemorrhage in the upper gastrointestinal tract. The significance of emergency endoscopy].
mesh_terms: D000208:Acute Disease; D000328:Adult; D000368:Aged; D004630:Emergencies; D004945:Esophagoscopy; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis*; D005773:Gastroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies
vernacular_title: Die Quellen akuter Blutungen aus dem oberen Gastrointestinaltrakt. Die Stellung der Notfallendoskopie