title: The Problem Of Massive Bleeding From Duodenal Ulcer In Patients Older Than Middle Age.
authors.forename: H K
authors.initials: HK
authors.lastname: GRAY
authors.forename: W S
authors.initials: WS
authors.lastname: SHARPE
mesh_terms: D006801:Humans; D010438:Peptic Ulcer Hemorrhage
keywords: PEPTIC ULCER/hemorrhage
vernacular_title: El problema de la hemorragia masiva por úlcera duodenal en pacientes de edad más que mediana.