Uludag, Öznur, and A. Tutak. “Efficacy of Prophylactic Epidural Saline for Reducing Postdural Puncture Headache in Patients Undergoing Caesarean Section”. Journal of Surgery and Medicine, vol. 3, no. 8, Aug. 2019, pp. 593-7, doi:10.28982/josam.604790.