Singh, Ajit Kumar, Maruti Gupta, and Padmini H. S. 2017. “Intraoperative Haemodynamic Profile in Patients Undergoing Lower Limb and Abdominal Surgery under Subarachnoid Block Using 0.5% Hyperbaric Levobupivacaine: An Observational Study”. International Journal of Research in Medical Sciences 5 (11):4859-63. https://doi.org/10.18203/2320-6012.ijrms20174933.