Schistosomiasis mansoni:  a parasitic disease of the portal venous system.
D006801:Humans; D008499:Medical Records; D010272:Parasitic Diseases; D010437:Peptic Ulcer; D010439:Peptic Ulcer Perforation; D012552:Schistosomiasis; D012555:Schistosomiasis mansoni
PEPTIC ULCER/perforation; SCHISTOSOMIASIS/case reports