Direct cholangioscopy with narrow-band imaging, chromoendoscopy, and argon plasma coagulation of intraductal papillary mucinous neoplasm of the bile duct (with videos)
Gastrointest Endosc. 2008 Mar;67(3):574-6.
doi: 10.1016/j.gie.2007.07.031.
Epub 2008 Jan 22.