Alam, MR, MR Raheen, KM Iqbal, and MRA Chowdhury. “Headache Following Spinal Anaesthesia: A Review on Recent Update”. Journal of Bangladesh College of Physicians and Surgeons 29, no. 1 (March 2, 2011): 32–40. Accessed May 19, 2024. https://www.banglajol.info/index.php/JBCPS/article/view/7169.