1. 1British Chiropractic Association, 2009. http://www.chiropractic-uk.co.uk (accessed January 2009).
2. 2Chiropractic Association of Ireland, 2008. http://www.chiropractic.ie (accessed January 2009).
3. 3American Chiropractic Association, 2009. http://www.amerchiro.org/ (accessed January 2009).
4. The scope of chiropractic practice: a survey of chiropractors in the UK;Pollentier;Clin Chiropractic,2007
5. Unsubstantiated claims in patient brochures from the largest State, Provincial, and National Chiropractic Associations and Research Agencies;Grod;J Man Phys Ther,2001