TY - JOUR AU - Wani, S; Keswani, R N; Han, S TI - Competence in endoscopic ultrasound and endoscopic retrograde cholangiopancreatography, from training through independent practice JO - Gastroenterology VL - 155 PY - 2018 DO - 10.1053/j.gastro.2018.07.024 L3 - PubMed-ID: 30056094 SP - 1483 EP - 1494.e1487 N1 - et al. ER -