- American Medical Associationhttp://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 Doctors http://www.medicinenet.com/