American Chiropractic Association is a professional organization representing Doctors of Chiropractic.   www.amerchiro.org

Arthritis Foundation is the only national not-for-profit organization that supports the more than 100 types of arthritis and related conditions with advocacy, programs, services and research.www.arthritis.org

Bandolier is a journal about health care that uses evidence-based medicine techniques to provide advice about particular treatments or diseases for healthcare professionals and consumers. www.jr2.ox.ac.uk:80/bandolier

Centre for Reviews and Dissemination is a database of reviews concerning the effectiveness and cost-effectiveness of healthcare interventions.
www.york.ac.uk/inst/crd/welcome.htm

Cochrane Library is the world's most comprehensive database consisting exclusively of controlled clinical trials.
www.mrw.interscience.wiley.com/cochrane/cochrane_clcentral_articles_fs.html

Minnesota State Public Health Association is concerned with personal and environmental health, including pollution control, programs and policies related to chronic and infectious diseases, a smoke-free society, and professional education in public health. www.mpha.net

National Safety Council is a nonprofit, nongovernmental, international public service organization dedicated to protecting life and promoting health. www.nsc.org

PubMed is a service of the U.S. National Library of Medicine that includes over 16 million citations from MEDLINE and other life science journals for biomedical articles back to the 1950s. www.ncbi.nlm.nih.gov/entrez/query.fcgi