Trivedi, D. L.; Vaghela, D. K.; Tripathi, D. D.; Hirani, D. K.; Trivedi, D. H. Evaluation OfAnalgesic Effect of Femoral Nerve Block for Positioning Of Patient For Subarachnoid Block In Patients With Fracture Femur: A Randomized, Double Blind, Parallel Group, Comparative Study Between Ropivacaine And Bupivacaine: FNB for Positioning for Subarachnoid Block in Femur Fracture. Natl J Integr Res Med 2018, 5, 62-67.