Sangma, S. A., Singh, V., Jamwal, S., Sharma, S., & Sharma, M. (2025). Comparative Evaluation of Intrathecal Administration of Levobupivacaine (Hyperbaric) Alone and Low-Dose Levobupivacaine (Hyperbaric) in Combination with Fentanyl in Lower Limb Surgeries: A Prospective Randomized Controlled Trial. National Journal of Medical Research, 15(04), 264–271. https://doi.org/10.55489/njmr.150420251164