TY - JOUR AU - Wani, S; Cote, G A; Keswani, R N TI - Learning curves for endoscopic ultrasonography (EUS) using cumulative sum (CUSUM) analysis: implications for American Society of Gastrointestinal Endoscopy (ASGE) recommendations for training JO - Gastrointest Endosc VL - 75 PY - 2012 SP - AB432 EP - AB434 N1 - et al. ER -