1. Operative Biliary Radiology;Berci,1981
2. The cystohepatic ducts: Surgical implications;Champetier;Surg Radiol Anat,1991
3. Cuschieri A, Berci G: Intraoperative cholangiography. In Laparoscopic Biliary Surgery. London, Blackwell Scientific, in press
4. Results of laparoscopic cholecystectomy in a university hospital;Goodman;Am J Surg,1991
5. A plea for safer technique of cholecystectomy;Hermann;Surgery,1976