DIAGNOSTIC YIELD OF ERCP AND INTRAOPERATIVE CHOLANGIOGRAPHY IN 1847 PATIENTS UNDERGOING LAPAROSCOPIC CHOLECYSTECTOMY. - Carr-Locke, D. L.; Tham, T. C. K.; Vandervoort, J.; Wong, R. C. K.; Lichtenstein, D. R.; Van Dam, J.; Ruymann, F.; Farraye, F.; Brooks, D. (HPB Surgery, 1996)