RT Journal Article SR Electronic T1 Wait-and-see policy or laparoscopic cholecystectomy after endoscopic sphincterotomy for bile-duct stones JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP 244 OP 246 VO 48 IS 3 A1 Jeffrey Barkun A1 Elijah Dixon A1 Steven Strasberg A1 , YR 2005 UL http://canjsurg.ca/content/48/3/244.abstract