- American Health Care Association www.ahcancal.org
- American Medical Associationwww.ama-assn.org/
- American Public Health Associationwww.apha.org/
- Home Care Association of Americawww.hcaoa.org/
- National Institutes of Healthhealth.nih.gov/
- National Association for Home Care and Hospicewww.nahc.org/
