Ulcerative colitis in the tropics.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D003093:Colitis, Ulcerative / Q000175:diagnosis / Q000453:epidemiology / Q000473:pathology*; D012809:Colon, Sigmoid / Q000473:pathology; D003108:Colonic Diseases / Q000175:diagnosis; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007194:India; D007413:Intestinal Mucosa / Q000473:pathology; D008297:Male; D008875:Middle Aged; D012002:Rectal Diseases / Q000473:pathology; D014330:Tropical Medicine