Islam, Md Saiful, SK Fariduddin Ahmed, ATM Abdullah, Abdullah Al Maruf, and Iqbal Hossain Chowdhury. 2014. “Sub Arachnoid Block Related Complications - 5 Years Experiences”. Journal of the Bangladesh Society of Anaesthesiologists 23 (2):67-71. https://doi.org/10.3329/jbsa.v23i2.18177.