http://www.ninds.nih.gov/disorders/thoracic/thoracic.htm
http://www.nlm.nih.gov/medlineplus/thoracicoutletsyndrome.html
http://www.thoracicoutletsyndrome-info.com
http://tosmri.com
http://www.tossociety.org
http://www.ecentral.com/members/rsanders