Intrathecal Magnesium Sulfate As Analgesic and Anaesthetic Adjunct to Bupivacaine in Patients Undergoing Lower Extremity Orthopaedic Surgery. J. Soc. Anesth. Nep. 2018, 4 (2), 74-80. https://doi.org/10.3126/jsan.v4i2.21207.