ANJU MARIAM JACOB. A randomized double blind study to find the incidence Of post dural puncture headache using quincke and Whitacre needles. International Journal of Pharma and Bio Sciences, [S. l.], v. 7, n. 4, p. 1–6, 2016. Disponível em: https://ijpbs.net/index.php/journal/article/view/5431. Acesso em: 23 jul. 2026.