Specialist Cluster Headache Treatment Centers
View the original cluster headache treatment study at this link: Stimulation of the sphenopalatine
ganglion in intractable cluster headache: Expert consensus on patient selection and standards of care
Interesting references for SPG block:
Experimental activation of the sphenopalatine ganglion provokes cluster-like attacks in humans
Electrical Stimulation of Sphenopalatine Ganglion for Acute Treatment of Cluster Headaches
