Akhtaruzzaman, A., Banik, D., Akhtar, M., Roy, J., Haque, M. and Hye, M. 2010. Prolonged analgesia by adding midazolam and hyperbaric bupivacaine in subarachnoid block for lower uterine caesarian section. Mymensingh Medical Journal. 19, 4 (Dec. 2010), 569–575.