Shariat Moharari, Reza, Mahdi Hadavi, Pejman Pourfakhr, Atabak Najafi, Farhad Etezadi, and Mohammad Reza Khajavi. “Evaluation of the Postoperative Analgesic Efficacy of Intraperitoneal Ketamine Compared With Bupivacaine in Laparoscopic Cholecystectomy”. Archives of Anesthesiology and Critical Care 2, no. 1 (April 17, 2016): 146-149. Accessed February 23, 2019. http://aacc.tums.ac.ir/index.php/aacc/article/view/59.