Clinical patterns; natural history; and progression of ulcerative colitis.[J].Richard G. Farmer;Kirk A. Easley;George B. Rankin.Digestive Diseases and Sciences.1993, 6
Clinical patterns; natural history; and progression of ulcerative colitis.[J].Richard G. Farmer;Kirk A. Easley;George B. Rankin.Digestive Diseases and Sciences.1993, 6