Ashfaq, S., Ali, L., Zia, M. A., Khan, R. A., & Butt, M. (2018). Effect of Hydrocortisone on Reducing severity of Post Dural Puncture Headache after Spinal Anesthesia for Elective Caesarean Section. Annals of King Edward Medical University, 23(4), 468–472. https://doi.org/10.21649/akemu.v23i4.2191