TY - JOUR AU - Sano, Y; Fu, K I; Saito, Y TI - A newly developed bipolar-current needle-knife for endoscopic submucosal dissection of large colorectal tumors JO - Endoscopy IS - S02 VL - 38 PY - 2006 DO - 10.1055/s-2006-944622 SP - E95 N1 - et al. ER -