- American Medical Associationhttp://www.ama-assn.org
- American Health Care Associationhttp://www.ahcancal.org
- Home Care Association of Americahttp://www.hcaoa.org
- American Association for Homecarehttps://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
