- American Federation for Aging Researchwww.infoaging.org
- American Health Care Associationwww.ahcancal.org
- Mayo Clinicwww.mayoclinic.com
- MedicineNet – Health and Medical Information Produced by Doctorswww.medicinenet.com
- Missouri Medicaid Audit & Compliancemmac.mo.gov
- ABE Helping people in Illinoisabe.illinois.gov
- Healthcare and Medical Assistancewww.benefits.gov
- Healthcare and Family Serviceswww2.illinois.gov
- U.S. Department of Health & Human Serviceswww.hhs.gov
