- US Department of Health and Human Serviceswww.hhs.gov
- Illinois Department of Public Healthwww.idph.state.il.us
- American Health Care Associationwww.ahcancal.org
- Joint Commission: Accreditation, Health Care, Certificationwww.jointcommission.org
- Illinois Department of Agingwww.illinois.gov.aging
- Mayo Clinicwww.mayoclinic.org
- Drugwatchwww.drugwatch.com