[Severe ulcerative colitis-like presentation of schistosomiasis].
D003093:Colitis, Ulcerative / Q000175:diagnosis / Q000209:etiology*; D003937:Diagnosis, Differential; D005759:Gastroenteritis / Q000175:diagnosis / Q000209:etiology*; D006801:Humans; D012552:Schistosomiasis / Q000175:diagnosis