Fong A K, Teoh A Y, Chiu P W, Wong S K, Ng E K
Division of Upper Gastrointestinal Surgery, Department of Surgery, Prince of Wales Hospital, Chinese University of Hong Kong, Hong Kong SAR, China.
Endoscopy. 2010;42 Suppl 2:E231-2. doi: 10.1055/s-0029-1244227. Epub 2010 Oct 7.