[1]
C. S. Sharma, M. Singh, R. S. Rautela, A. Kochhar, and N. Adlakha, “Comparison of intraperitoneal and periportal bupivacaine and ropivacaine for postoperative pain relief in laparoscopic cholecystectomy: a randomized prospective study”, apic, pp. 350-354, Jan. 2019.