title: Ulcerative colitis in East Africans. A report of three cases.
mesh_terms: D000328:Adult; D000351:Africa, Eastern; D003093:Colitis, Ulcerative / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000453:epidemiology; D005260:Female; D006801:Humans; D008297:Male; D011859:Radiography