Does Irrigation of the Subdiaphragmatic Region with Ropivacaine Reduce the Incidence of Right Shoulder Tip Pain after Laparoscopic Cholecystectomy? A Prospective Randomized, Double-blind, Controlled Study. Issue 1 (January 2014) - Niknam, Farshid; Saxena, Akshat; Niles, Navindran; Budak, Ulvi U.; Mekisic, Allan