Comparison of the Incidence of Postdural Puncture Headache Following Spinal Anesthesia in Cesarean Sections Using 25g and 27g Needles With Median and Paramedian Approaches. Indus Journal of Bioscience Research, [S. l.], v. 3, n. 1, p. 639–646, 2025. DOI: 10.70749/ijbr.v3i1.567. Disponível em: https://ijbr.com.pk/IJBR/article/view/567. Acesso em: 14 aug. 2025.