TY - JOUR AU - McCune, W S; Shorb, P E; Moscovitz, H TI - Endoscopic cannulation of the ampulla of vater: a preliminary report JO - Ann Surg VL - 167 PY - 1968 DO - 10.1097/00000658-196805000-00013 L3 - PubMed-ID: 5646296 SP - 752 EP - 756 N1 - et al. ER -