Son, Byung-Chul Occipital nerve stimulation for medically refractory hypnic headache. [electronic resource] - Neuromodulation : journal of the International Neuromodulation Society Jul 2012 - 381-6 p. digital Publication Type: Journal Article ISSN: 1525-1403 Standard No.: 10.1111/j.1525-1403.2012.00436.x doi Subjects--Topical Terms: Chronic DiseaseDrug ResistanceElectric Stimulation Therapy--methodsElectrodes, ImplantedFemaleHeadache Disorders, Primary--diagnostic imagingHumansMiddle AgedParesthesia--etiologyProsthesis ImplantationRadiographySpinal Nerves--physiology