Biswal, D., Mishra, J. , Sahu, B.P., Jena, S. and Smruti Ranjan Nayak 2023. Postdural puncture headache incidence with 25G and 27G Quincke needles after spinal anesthesia for elective cesarean section. Asian Journal of Medical Sciences. 14, 2 (Feb. 2023), 51–54. DOI:https://doi.org/10.3126/ajms.v14i2.49632.