title: [Diagnostic usefulness of early endoscopy in upper digestive hemorrhages in a II level hospital. Study of 868 cases].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D004381:Duodenal Ulcer / Q000150:complications; D004384:Duodenoscopy; D004932:Esophageal and Gastric Varices / Q000150:complications; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D005773:Gastroscopy; D006551:Hernia, Hiatal / Q000150:complications; D006801:Humans; D008297:Male; D008875:Middle Aged; D013276:Stomach Ulcer / Q000150:complications
vernacular_title: Utilidad diagnóstica de la endoscopia precoz en hemorragias digestivas altas en un hospital de segundo nivel. Estudio de 868 casos.