(1)
Katoch, M. lal; Kour, L. Retracted: Comparative Evaluation of Post-Operative Analgesic Effects of Intraperitoneal Levobupivacaine Plus Fentanyl and Levobupivacaine Plus Tramadol in Patients Undergoing Laparoscopic Cholecystectomy. Int J Clin Trials 2020, 7, 28-31.