- U.S Department of Labor www.dol.gov
- U.S Bureau of Labor Statistics www.bls.gov
- American Public Health Associationwww.apha.org
- American Medical Associationwww.ama-assn.org
- National Institutes of Healthwww.health.nih.gov
- American Nurses Associationwww.nursingworld.org
- NurseJournalnursejournal.org
