“COMPARISON OF INCIDENCE OF POST-DURAL PUNCTURE HEADACHE BETWEEN 25G AND 27G QUINCKE VARIETY SPINAL NEEDLE IN EMERGENCY CESAREAN SECTION”. Pakistan Journal of Medical & Cardiological Review, vol. 5, no. 2, June 2026, pp. 5947-72, https://doi.org/10.66021/pakmcr1302.