- American Health Care Associationwww.ahcancal.org
- American Public Health Associationwww.apha.org
- Mobility Internationalwww.miusa.org
- QuatrisHealthcowww.quatrishealthco.com
- U.S. Department of Health & Human Services www.hhs.gov
- American Medical Associationwww.ama-assn.org
- Testing.comwww.testing.com
- Tips to Help the Elderly through Their Medical Testswww.testing.com
- Medicare Covered Testingwww.testing.com
- Healthy Agingwww.testing.com
