Rajbala, Beniwal, S. ., Khandelwal , M. . and Thomas, T. M. . (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. Raipur, India, 11(2), pp. 65-70. doi: 10.18231/j.joapr.2023.11.2.65.70.