Hung Hung-Hsu, Chen Tseng-Shing, Chau Gar-Yang
Division of Gastroenterology, Department of Medicine, Taipei Veterans General Hospital, National Yang-Ming University, Taipei, Taiwan.
Gastroenterology. 2010 Mar;138(3):e3-4. doi: 10.1053/j.gastro.2009.05.073. Epub 2010 Jan 26.