- American Health Care Associationhttp://www.ahcancal.org/
- American Medical Associationhttp://www.ama-assn.org/
- American Public Health Associationhttp://www.apta.org/
- American Staffing Associationhttp://www.americanstaffing.net/
- Health Resources and Services Administrationhttp://www.hrsa.gov/
- National Institute of Healthhttp://www.nih.gov/
- U.S. Bureau of Labor Statisticshttp://www.bls.gov/
- U.S. Department of Health & Human Serviceshttp://www.hhs.gov/
- U.S. Department of Laborhttp://www.dol.gov/
