- American Medical Associationwww.ama-assn.org
- American Health Care Associationwww.ahcancal.org
- American Public Health Associationwww.apha.org
- National Institutes of Healthwww.health.nih.gov
- The AGS Foundation for Health in Aging www.healthinaging.org
- U.S. Department of Health & Human Serviceswww.hhs.gov
