[Gastroscopy in patients with hematemesis and melena].
D000328:Adult; D000368:Aged; D004381:Duodenal Ulcer / Q000175:diagnosis*; D005260:Female; D005756:Gastritis / Q000150:complications / Q000175:diagnosis*; D005773:Gastroscopy; D006396:Hematemesis / Q000209:etiology; D006801:Humans; D008297:Male; D008551:Melena / Q000209:etiology; D008875:Middle Aged; D013274:Stomach Neoplasms / Q000175:diagnosis*; D013276:Stomach Ulcer / Q000150:complications / Q000175:diagnosis*
Gastroskopi ved hematemese og melaena.