Huang C H, Tsou Y K, Lin C H, Tang J H
Department of Hepato-Gastroenterology, Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Taipei, Taiwan.
Endoscopy. 2010;42 Suppl 2:E223-4. doi: 10.1055/s-0029-1215008. Epub 2010 Oct 7.