Dr. Sibghatullah M. Khan, Dr. Mariam Ali Karrar Elobied, Dr. Roshan Fernando. “Post Dural Puncture Headache in Obstetric Patients: A Review Article”. Annals of the Romanian Society for Cell Biology (April 11, 2021): 3212 –. Accessed August 25, 2026. http://www.annalsofrscb.ro/index.php/journal/article/view/2863.