Bhatia, U., and H. Chaudhary. “Comparative Study of Racemic Mixture of 0.5% Bupivacaine , 0.5 % Levo Bupivacaine And 0.75% Ropivacaine In Lumbar Epidural Anaesthesia In Patients Undergoing Lower Abdominal Surgeries: Study of Racemic Mixture of 0.5% Bupivacaine , 0.5 % Levo Bupivacaine And 0.75% Ropivacaine In Epidural”. National Journal of Integrated Research in Medicine, vol. 8, no. 5, Feb. 2018, pp. 22-26, doi:10.70284/njirm.v8i5.1299.