TY - JOUR AN - 32 AU - Varadarajulu,S. AU - Tamhane,A. AU - Drelichman,E.R. TI - Patient perception of natural orifice transluminal endoscopic surgery as a technique for cholecystectomy. JO - Gastrointest Endosc PY - 2008 VL - 67 SP - 854-860 M2 - 854 DO - 10.1016/j.gie.2007.09.053 ER -