Kang S H, Kim J I, Moon H S, Kang H M, Kim S H, Seong J K, Lee B S, Jeong H Y, Song K S, Noh S M, Shin K S, Cho J S
Department of Internal Medicine, Chung Nam University Hospital, Daejeon, Korea.
Endoscopy. 2008 Sep;40 Suppl 2:E34-5. doi: 10.1055/s-2007-966860. Epub 2008 Feb 18.