Liver disease in ulcerative colitis.
D002908:Chronic Disease; D003082:Colectomy; D003093:Colitis, Ulcerative / Q000150:complications* / Q000401:mortality / Q000601:surgery; D006801:Humans; D008103:Liver Cirrhosis / Q000209:etiology; D008107:Liver Diseases / Q000209:etiology* / Q000517:prevention & control