TY - JOUR AU - LeBlanc, J K; Ciaccia, D; Al-Assi, M T TI - Optimal number of EUS-guided fine needle passes needed to obtain a correct diagnosis JO - Gastrointest Endosc VL - 59 PY - 2004 DO - 10.1016/S0016-5107(03)02863-3 L3 - PubMed-ID: 15044881 SP - 475 EP - 481 N1 - et al. ER -