“A Comparative Study of Efficacy of 0.5% Intrathecal Isobaric Ropivacaine, Ropivacaine Heavy, and Bupivacaine Heavy for Lower Abdomen and Lower Limb Surgeries”. Asian Journal of Medical Sciences, vol. 15, no. 12, Dec. 2024, pp. 28-32, https://doi.org/10.3126/ajms.v15i12.71244.