title: [Incidence of upper gastrointestinal hemorrhage in 2,018 patients older than 55 years of age. Study of 106 cases].
mesh_terms: D000367:Age Factors; D000368:Aged; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors; D013030:Spain
vernacular_title: Incidencia de la hemorragia digestiva alta en 2.018 pacientes mayores de 55 años. Estudio de 106 casos.