Ashfaq, S. et al. 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 (Feb. 2018), 468–472. DOI:https://doi.org/10.21649/akemu.v23i4.2191.