Chae Hiun S, Kim Sung S, Han Sok W, Choi Kyu Y, Chung In S, Sun Hee S, Ahn Chang H
Department of Internal Medicine and Surgery, Catholic University, College of Medicine, Seoul, South Korea.
Dis Colon Rectum. 2002 Sep;45(9):1261-2. doi: 10.1007/s10350-004-6402-y.