Halvadia, Shital Hardik, Hardik Bhikhalal Halvadia, Rachit M Joshi, and Devanshi P Upadhyaya. 2013. “Low Dose Bupivacaine - Fentanyl Vs. Conventional Dose Of Bupivacaine In Spinal Anesthesia For Orthopaedic Procedures In Elderly Patients: Low Dose Bupivacaine - Fentanyl Vs. Conventional Dose Of Bupivacaine”. National Journal of Integrated Research in Medicine 4 (1):50-56. https://doi.org/10.70284/njirm.v4i1.2127.