title: [Upper digestive hemorrhages. Study of 221 cases].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D012651:Self Medication / Q000009:adverse effects
vernacular_title: Hemorragias digestivas altas. Estudio de 221 casos.