Lin Hsuan-Hwai, Chan De-Chuan, Yu Chih-Yung, Chao You-Chen, Hsieh Tsai-Yuan
Division of Gastroenterology, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, Taipei.
Am J Med. 2008 Jan;121(1):21-3. doi: 10.1016/j.amjmed.2007.09.009.