A Comparative Study of 25G vs 27G Quincke Needles on Incidence and Severity of Post-Dural Puncture Headache (PDPH) in Casarean Section Patients Undergoing Spinal Anaesthesia. Bangladesh Journal of Obstetrics & Gynaecology, [S. l.], v. 40, n. 2, p. 91–100, 2026. DOI: 10.3329/bjog.v40i2.89731. Disponível em: https://www.banglajol.info/index.php/BJOG/article/view/89731. Acesso em: 25 jun. 2026.