Lee Y K, Wang H Y, Shyung L R, Chang C W, Chen M J
Division of Gastroenterology, Department of Internal Medicine, Mackay Memorial Hospital and Mackay Medicine, Nursing and Management College, Taipei, Taiwan.
Endoscopy. 2011;43 Suppl 2 UCTN:E151-2. doi: 10.1055/s-0030-1256257. Epub 2011 May 11.