Evidence-Based Treatments for Adults with Migraine
Pain Reser Treat 2015:DOI:10.1155/2015/629382, Gooriah, R.,et al, 2015
Treatment of Medically Intractable Cluster Headache by Occipital Nerve Stimulation: Long-Term Follow-Up of Eight Patients
Lancet 369:1099-1065, Burns,B.,et al, 2007