Rajbala, Sonali Beniwal, Mamta Khandelwal, and T Mirthun Thomas. 2023. “A Comparative Study of Intravenous Fentanyl and Ultrasound-Guided Femoral Nerve Block for Positioning During Spinal Anaesthesia in Femur Fracture Surgeries”. Journal of Applied Pharmaceutical Research 11 (2). Raipur, India:65-70. https://doi.org/10.18231/j.joapr.2023.11.2.65.70.