1. Renbourn, E. T. Physiology and hygiene of materials and clothing. Watford, Herts, Merrow Publishing, 1971
2. Dielectric properties of tisues;Foster,1996
3. An electromagnetic theory of acupuncture;Maxey;J Am Soc Psychosom Dent Med,1976
4. Basics of Acupuncture, 3rd edn;Stux,1995
5. O’Connor, J.Bensky, D. Acupuncture: A Comprehensive Text. Seattle, WA, Eastland Press, 1995