- American Staffing Associationwww.americanstaffing.net
- National Institutes of Healthwww.health.nih.gov
- U.S. Department of Health & Human Serviceswww.hhs.gov
- U.S. Department of Laborwww.dol.gov
- Caregiving – Insights, Information, Inspirationwww.caregiving.com
- WebMDwww.webmd.com
- Mayo Clinicwww.mayoclinic.com
