Canakci, Ebru, and Ilker Coskun. “Comparison of the Efficacy of Epidural Blood Patch and Transnasal Sphenopalatine Ganglion Block in the Treatment of Postspinal Puncture Headache”. Annals of Medical Research 30, no. 9 (September 27, 2023): 1106–1111. Accessed October 13, 2024. https://annalsmedres.org/index.php/aomr/article/view/4521.