Endosonography-guided alteration of upper surgical anatomy to facilitate endoscopic management of biliary cast syndrome post-liver transplantation - Bukhari, Majidah A.; Brewer, Olaya; Chen, Yen-I; Ngamruengphong, Saowanee; Sanaei, Omid; Saxena, Payal; Khashab, Mouen A. (Endoscopy, 2019)