Azar, Riad; Maple, John T.; Keswani, Rajesh N.; Edmundowicz, Steven A.; Jonnalagadda, Sreenivasa
(2016-06-21)
Background
Recommended techniques for minor papilla sphincterotomy include performing a standard pull-type sphincterotomy (PTS) or using a needle-knife over a stent. A wire-assisted access sphincterotomy (WAAS) technique ...