Impact of trimodality sampling on detection of malignant biliary strictures compared with patients with primary sclerosing cholangitis

Serge Baroud, Alexander J. Sahakian, Tarek Sawas, Andrew C. Storm, John A. Martin, Barham K. Abu Dayyeh, Mark D. Topazian, Michael J. Levy, Lewis R. Roberts, Gregory J. Gores, Bret T. Petersen, Vinay Chandrasekhara