ANJU MARIAM JACOB (2016) “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, 7(4), pp. 1–6. Available at: https://ijpbs.net/index.php/journal/article/view/5431 (Accessed: 23 July 2026).