TY - GEN AU - Maluf-Filho,Fauze AU - Kumar,Atul AU - Ferreria de Souza,Thiago AU - Cortas,George AU - Halwan,Bhawna AU - Humberto Giordano-Nappi,José AU - Sakai,Paulo TI - Rotatable sphincterotome facilitates bile duct cannulation in patients with altered ampullary anatomy SN - 1554-7914 PY - 2012///0823 N1 - Publication Type: Journal Article ER -