American Pain Society

http://www.ampainsoc.org/

American Council for Headache Education

http://www.achenet.org/

American Headache Society

http://www.ahsnet.org/

 American Association of Psychophysiology and Biofeedback

http://www.aapb.org/i4a/pages/index.cfm?pageid=1

Fibromyalgia information

http://www.nlm.nih.gov/medlineplus/fibromyalgia.html