Elshafei, A. S., & Mowafy, S. M. S. (2023). Sphenopalatine ganglion block with or without greater occipital nerve block for treatment of obstetric post-dural puncture headache after spinal anesthesia: Randomized controlled trial. Ain Shams Journal of Anesthesiology, 15(1), 1. https://doi.org/10.1186/s42077-023-00371-1
Chicago Style (17th ed.) CitationElshafei, Amr Shaaban, and Sherif M. S. Mowafy. "Sphenopalatine Ganglion Block with or Without Greater Occipital Nerve Block for Treatment of Obstetric Post-dural Puncture Headache After Spinal Anesthesia: Randomized Controlled Trial." Ain Shams Journal of Anesthesiology 15, no. 1 (2023): 1. https://doi.org/10.1186/s42077-023-00371-1.
MLA (9th ed.) CitationElshafei, Amr Shaaban, and Sherif M. S. Mowafy. "Sphenopalatine Ganglion Block with or Without Greater Occipital Nerve Block for Treatment of Obstetric Post-dural Puncture Headache After Spinal Anesthesia: Randomized Controlled Trial." Ain Shams Journal of Anesthesiology, vol. 15, no. 1, 2023, p. 1, https://doi.org/10.1186/s42077-023-00371-1.