(1)
Sharma, C. S.; Singh, M.; Rautela, R. S.; Kochhar, A.; Adlakha, N. Comparison of Intraperitoneal and Periportal Bupivacaine and Ropivacaine for Postoperative Pain Relief in Laparoscopic Cholecystectomy: A Randomized Prospective Study. apic 2019, 350-354.