How Successful Is Endoscopic Retrograde Cholangiopancreatography in Patients With Biliary Obstruction Post‐Pancreaticoduodenectomy?: 924. (October 2019) - Ahmed, Osman; Angsuwatcharakon, Phonthep; Yu, Abraham; Hakim, Seifeldin; Coronel, Emmanuel; Wolff, Robert; Katz, Matthew; Weston, Brian; Ross, William; Lee, Jeffrey H.