- American Health Care Associationwww.ahcancal.org
- American Medical Associationwww.ama-assn.org
- American Nurses Associationwww.nursingworld.org
- Worldwide Health Staff Solutionswww.healthstaff.org
- US Department of Health and Human Serviceswww.hhs.gov
- Home Care Association of Americawww.hcaoa.org