Angsuwatcharakon P, Thienchanachaiya P, Pantongrag-Brown L, Rerknimitr R
Division of Gastroenterology, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
Endoscopy. 2012;44 Suppl 2 UCTN:E90-1. doi: 10.1055/s-0031-1291642. Epub 2012 Mar 6.