Begum, R., R. Islam, P. C. Sarker, K. K. Karmakar, and A. M. Alam. “Prophylactic Use of Ketamine Hydrochloride For Prevention of Post Operative Shivering”. Journal of the Bangladesh Society of Anaesthesiologists, vol. 21, no. 1, Oct. 2009, pp. 29-35, doi:10.3329/jbsa.v21i1.3549.