Asokkumar Ravishankar, Soetikno Roy
Department of Gastroenterology and Hepatology, Singapore General Hospital, Singapore.
Department of Gastroenterology and Hepatology, Singapore General Hospital, Singapore; National Cancer Center Singapore, DUKE-NUS Graduate Medical Center, Singapore.
Gastrointest Endosc. 2016 Aug;84(2):366-7. doi: 10.1016/j.gie.2016.03.019. Epub 2016 Mar 12.