Ahmad, Maqsood, and Zareen Fatima. “Finding Factors Causing Postdural Puncture Headache In Obstetric Patients After Spinal Anaesthesia”. Journal of Bahria University Medical and Dental College 2, no. 2 (December 31, 2012): 17–20. Accessed February 12, 2025. https://jbumdc.bahriauni.com/index.php/ojs/article/view/39.