Jabbar, Abdul, et al. “Efficacy of Intravenous Midazolam & Ketamine Combination in the Treatment of Shivering After Spinal Anaesthesia – A Comparative Study With Intravenous Midazolam & Pethidine Alone”. Journal of the Bangladesh Society of Anaesthesiologists, vol. 30, no. 2, Aug. 2017, pp. 75-82, doi:10.3329/jbsa.v30i2.66230.