Sphenopalatine Ganglion Block - Novel Endoscopic Technique with 10% lignocaine for Chronic Primary Headache & Migraine

Surendra V Pimparkar, Anil Raghavan, Lohith BR, Ashwani Sethi, Amanda Colaco. Sphenopalatine Ganglion Block - Novel Endoscopic Technique with 10% lignocaine for Chronic Primary Headache & Migraine. Acta Medica International 13(1):-, Apr 2026.