Ahmed, J. U., M. S. Islam, M. S. Islam, M. K. Mandal, M. S. Islam, M. Shamsuzzoha, and A. Akhtaruzzaman. “Effect of Preemptive Intravenous Ketorolac and Bupivacaine Infiltration on Post Operative Pethidine Consumption - a Comparative Study”. Journal of the Bangladesh Society of Anaesthesiologists, vol. 23, no. 1, Mar. 2014, pp. 25-29, doi:10.3329/jbsa.v23i1.18155.