Mehraj, A., Raja, A., Rehman, S., & Adil, N. (2020). TO COMPARE THE INCIDENCE OF POST DURAL PUNCTURE HEADACHE WITH PENCIL POINT 25 GAUGE WHITACRE VERSE CUTTING 25 GAUGE QUINCKE SPINAL NEEDLE IN PATIENTS FOR C SECTION UNDER SPINAL ANAESTHESIA. Pakistan Armed Forces Medical Journal, 70(6), 1897–1901. Retrieved from https://pafmj.org/PAFMJ/article/view/5883