title: [On the type and frequency of vascular changes in gastric ulcer. (Contribution to the clarification of the mechanism of massive ulcer hemorrhages)].
mesh_terms: D006470:Hemorrhage; D006801:Humans; D010438:Peptic Ulcer Hemorrhage; D013276:Stomach Ulcer; D014456:Ulcer
keywords: PEPTIC ULCER HEMORRHAGE