Chatha, S. S.; Ghuman, A. Q.; Farooq, M.; Ahmad, M. EVALUATION OF SINGLE PREOPERATIVE DOSE OF PREGABALIN IN TERMS OF POSTOPERATIVE PAIN AFTER LAPAROSCOPIC CHOLECYSTECTOMY: Single Preoperative Dose of Pregabalin. Pak Armed Forces Med J 2018, 68 (5), 1358-61.