Qutubuddin SS, Agarwal SB, Parashar D, Singh VL, Gupta G. Comparative evaluation of analgesic efficacy of buprenorphine transdermal patch and fentanyl transdermal patch in the management of postoperative pain after lower limb surgery. Int J Basic Clin Pharmacol [Internet]. 2024 Oct. 23 [cited 2025 Oct. 23];13(6):838-42. Available from: https://www.ijbcp.com/index.php/ijbcp/article/view/5713