IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-9-12-32719 Original Research Paper A COMPARATIVE STUDY OF POST OPERATIVE ANALGESIC EFFECT OF INTRAPERITONEAL INFILTRATION WITH ROPIVACAINE V/S ROPIVACAINE PLUS TRAMADOL IN LAPAROSCOPIC CHOLECYSTECTOMY SURGERIES. Nikita Verma Dr. December 2020 9 12 01 02