Ommid, M., N. Jehan, K. Mohammad, S. Qazi, M. Ahmad, and K. Raksha. “Comparison of 0.5% Ropivacaine and 0.5% Bupivacaine for Epidural Anaesthesia in Patients Undergoing Lower Abdominal and Lower Extremity Surgery”. JMS SKIMS, Vol. 14, no. 1, June 2011, pp. 15-18, doi:https://doi.org/10.33883/jms.v14i1.64.