Brief Clinical Report: PDF OnlyWelch Neil T. F.R.C.S.; Hinder, Ronald A. M.D.; Ciurej, Terrence M.D.; Bacon, Nancy R.N.Surgical Laparoscopy & Endoscopy: March 1991 - p 42-44 Buy Abstract Summary Difficulties can be experienced trying to retrieve gallstones during laparoscopic cholecystectomy. We present three cases and describe three techniques to securely grasp large, free peritoneal calculi. The need to recover such stones is discussed. © Lippincott-Raven Publishers.