- American Health Care Associationwww.ahcancal.org
- U.S. Department of Health & Human Serviceswww.hhs.gov
- American Medical Associationwww.ama-assn.org
- Home Care Association of Americawww.hcaoa.org
- Self-Care Resource Centerwww.apa.org
- American Medical Associationwww.ama-assn.org
