Bohara, Chetan, Rajesh Maharjan, Subi Regmi, Gunjan Regmi, Rajendra Kunwar, and Anup Shrestha. “A Comparison of Incidence of Post Dural Puncture Headache Using 25G Quincke and 25G Whitacre Needle in Obstetric Patients Undergoing Caesarean Section under Spinal Anesthesia”. Med Phoenix 6, no. 1 (July 19, 2021): 28–31. Accessed March 29, 2024. https://www.nepjol.info/index.php/medphoenix/article/view/36732.