title: Haematemesis and melaena: a clinical study of 251 hospital admissions.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001315:Australia; D001803:Blood Transfusion; D004381:Duodenal Ulcer / Q000150:complications; D005260:Female; D006396:Hematemesis / Q000209:etiology / Q000401:mortality / Q000601:surgery; D006760:Hospitalization; D006801:Humans; D008297:Male; D008551:Melena / Q000209:etiology / Q000401:mortality / Q000601:surgery; D008875:Middle Aged; D010438:Peptic Ulcer Hemorrhage / Q000401:mortality / Q000628:therapy; D011183:Postoperative Complications / Q000401:mortality; D013276:Stomach Ulcer / Q000150:complications