Postoperative Analgesic Effect of Morphine Added to Ropivacaine for Fascia Iliaca Compartment Block following Femoral Fracture Surgeries: A Randomized Controlled Trial. (2021). Journal of BP Koirala Institute of Health Sciences, 4(2), 13-18. https://doi.org/10.3126/jbpkihs.v4i2.41447