TY - JOUR AU - Iacopini, F; Saito, Y; Bella, A TI - Colorectal endoscopic submucosal dissection: predictors and neoplasm-related gradients of difficulty JO - Endosc Int Open VL - 5 PY - 2017 DO - 10.1055/s-0043-113566 L3 - PubMed-ID: 28924587 SP - E839 EP - E846 N1 - et al. ER -