TY - JOUR AU - Parra-Blanco, A; Gonzalez, N; Arnau, M R TI - Ex vivo and in vivo models for endoscopic submucosal dissection training JO - Clin Endosc VL - 45 PY - 2012 DO - 10.5946/ce.2012.45.4.350 L3 - PubMed-ID: 23251881 SP - 350 EP - 357 ER -