Ulcerative colitis--a retrospective study.
D000293:Adolescent; D000328:Adult; D003093:Colitis, Ulcerative / Q000150:complications / Q000188:drug therapy*; D003110:Colonic Neoplasms / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011230:Precancerous Conditions; D012189:Retrospective Studies; D013424:Sulfanilamides / Q000627:therapeutic use*; D013427:Sulfapyridine / Q000627:therapeutic use*
D013424:Sulfanilamides; D013427:Sulfapyridine