Dhital, Ahish Raj, et al. “Transnasal Sphenopalatine Ganglion Block for Rescue of Post-Dural Puncture Headache After Combined Spinal-Epidural Anesthesia: A Case Report”. Journal of Lumbini Medical College, vol. 12, no. 2, July 2026, p. 3 pages, https://doi.org/10.22502/jlmc.v12i2.552.