Majd, Masoomeh Nataj, et al. “Prospective Study of Incidence and Risk Factors for Post-Dural Puncture Headache in Obstetric Women”. Journal of Neonatal Surgery, vol. 14, no. 23S, May 2025, pp. 81-95, https://www.jneonatalsurg.com/index.php/jns/article/view/5636.