Yasmin, R., Akhtaruzzaman, A. and Khan, S.A. 2014. Role of pre-emptive analgesia in post operative Pain management - a review of literature. Journal of the Bangladesh Society of Anaesthesiologists. 23, 2 (Mar. 2014), 62–66. DOI:https://doi.org/10.3329/jbsa.v23i2.18176.