Tee Cheng T, Chen Harn C, Segarajasingam Dev S, Yusoff Ian F
Department of Gastroenterology, Sir Charles Gairdner Hospital, Perth, Australia.
Gastrointest Endosc. 2013 Sep;78(3):542-3; discussion 543. doi: 10.1016/j.gie.2013.05.001. Epub 2013 Jun 13.