Chabukswar Riya Dilip, Chaudhari Arti Baban and Bramharakshas Subhadra Gautam 2025. Review on fentanyl: Mechanism and Pharmacology of fentanyl drug. International Journal of Pharmacy and Analytical Research. 14, 2 (Apr. 2025), 180–185. DOI:https://doi.org/10.61096/ijpar.v14.iss2.2025.180-185.