Jadhav, Kunal Kailas. 2014. “Comparison of Analgesic Efficacy Between Intraperitoneal Instillation of Tramadol and Bupivacaine for Postoperative Pain Relief Following Laparoscopic Appendectomy”. Journal of Biomedical and Pharmaceutical Research 3 (4). https://jbpr.in/index.php/jbpr/article/view/1175.