Karkada, EC. “Post Dural Puncture Headache Following Spinal Anaesthesia for Caesarean Section”. Nepal Journal of Obstetrics and Gynaecology 6, no. 2 (September 2, 2012): 60–61. Accessed July 17, 2024. https://nepjol.info/index.php/NJOG/article/view/6763.