[Combination of ulcerous gastrointestinal hemorrhages with perforated ulcers].
D005767:Gastrointestinal Diseases; D006470:Hemorrhage; D006801:Humans; D010438:Peptic Ulcer Hemorrhage; D010439:Peptic Ulcer Perforation; D014456:Ulcer
PEPTIC ULCER HEMORRHAGE; PEPTIC ULCER PERFORATION