Kang S H, Kim J I, Kim E M, Moon H S, Kim S H, Lee B S, Sung J K, Jeong H Y
Department of Gastroenterology and Hepatology, Chung Nam National University Hospital, Dae Jeon, Republic of Korea.
Endoscopy. 2010;42 Suppl 2:E33-4. doi: 10.1055/s-0029-1214438. Epub 2010 Jan 13.