1. National Committee for Quality Assurance, NCQA News, HEDIS? 2005; Focus is on Health Issues Familiar to Seniors, Working Americans, July 8, 2004.
2. Counseling to prevent low back pain: Section II. In: O?Malley AS, DiGuiseppi C, for the U.S. Preventative Services Task Force. Guide to Clinical Preventative Services: Report of the U.S. Preventative Services Task Force. 2nd Ed. Baltimore, MD: Williams & Wilkins; 1996.
3. National Institute of Neurological Disorders and Stroke, National Institutes of Health, ?Low Back Pain Fact Sheet,? July 2003.
4. Meta-Analysis: Acupuncture for Low Back Pain, Eric Manheimer, MS; Adrian White, MD, BM, BCh; Brian Berman, MD; Kelly Forys, MA; and Edzard Ernst, MD, PhD, April 19, 2005, Volume 142 Issue 8, Pages 651-663.
5. ?Fast Facts on Back Pain.? North American Spine Society-A Non-Profit Corporation. Date Retrieved: May 11, 2007.
6. National Hospital Discharge Survey: 2003. Vital and Health Statistics Series 13, Number 160, U.S. Department of Health and Human Services Center for Disease Control and Prevention, National Center Health Statistics, Hyattsville, Maryland.
7. Bureau of Labor Statistics, U.S. Department of Labor, Survey of Occupational Injuries and Illnesses, 2002.
8. Cherkin DC, Deyo RA, Loeser JD, Bush T, Waddell G. Department of Health Services, University of Washington, Seattle. Spine. 1994 Jun 1;19(11):1201-6.