IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-11-11-44827 Original Research Paper A Comparative Study On The Postoperative Analgesic Effects Of The Intra Peritoneal Instillation Of Ropivacaine Versus Bupivacaine Following Laparoscopic Cholecystectomy. Vipula Dr. Dr. Ayushi Agrawal Dr. November 2022 11 11 01 02