- American Medical Association http://www.ama-assn.org/
- American Health Care Association http://www.ahcancal.org
- Home Care Association of Americahttp://www.hcaoa.org
- American Association for Homecarehttp://www.aahomecare.org
- U.S. Department of Health & Human Services http://www.hhs.gov/
- MedicineNet – Health and Medical Information Produced by Doctorshttp://www.medicinenet.com
