M. S. Chowdhury, S. S. Roy, M. M. Rahman, M. M. Hossain, and S. Alim, “Comparative study in prolapse lumbar intervertebral disc (PLID) surgery by spinal vs general anaesthesia”, j Bangladesh Soc Anaesthesiologists, vol. 23, no. 2, pp. 47–50, Mar. 2014.