TY - JOUR AU - Mariani, A; Giussani, A; Di Leo, M TI - Guidewire biliary cannulation does not reduce post-ERCP pancreatitis compared with the contrast injection technique in low-risk and high-risk patients JO - Gastrointest Endosc VL - 75 PY - 2012 DO - 10.1016/j.gie.2011.09.002 SP - 339 EP - 346 N1 - et al. ER -