Chakraborty, Dr. Keya, Dr. Uma Mandal, Dr. Swarbhanu Porel, and Dr Asis Kumar Patra. 2022. “Comparative Study of Bupivacaine-Fentanyl Versus Bupivacaine-Clonidine in Patients Undergoing Spinal Anaesthesia for Orthopedic Procedures”. International Journal of Innovative Research in Medical Science 7 (07):311-18. https://doi.org/10.23958/ijirms/vol07-i07/1432.