title: [HEMATEMESIS AND MELENA].
mesh_terms: D003933:Diagnosis; D006396:Hematemesis; D006801:Humans; D008551:Melena; D009026:Mortality; D013514:Surgical Procedures, Operative
keywords: DIAGNOSIS; HEMATEMESIS; MELENA; MORTALITY; SURGERY, OPERATIVE
vernacular_title: HEMAT EMESE E MELENA.