Abdelrazik, R., Toulan, H. and Ayoub, S. (2024) “Sphenopalatine ganglion block vs greater occipital nerve block in the management of post dural puncture headache in obstetric patients: a randomized clinical trial”, Anaesthesia, Pain & Intensive Care, 28(1), pp. 68-73. doi: 10.35975/apic.v28i1.2143.