1. Pain control by sensory stimulation;Anderson,1979
2. Interactions segmentaires des re´flexes faciaux. Etudee´lectrophysiologique chez l'homme;Boulu;J. Physiol. (Paris),1980
3. Neurological Anatomy in Relation to Clinical Medicine;Brodal,1969
4. Local analgesia from percutaneous electrical stimulation;Campbell;Arch. Neurol.,1973
5. After-hyperpolarization and the control of repetitive firing in spinal neurones of the cat;Gustafsson;Acta physiol. scand.,1974