- American Health Care Association www.ahcancal.org
- American Public Health Association www.apha.org
- American Medical Associationwww.ama-assn.org
- Centers for Medicare & Medicaid Services (CMS) www.cms.gov
- Centers for Disease Control and Preventionwww.cdc.gov
- National Institutes of Health www.health.nih.gov
- Mayo Clinicwww.mayoclinic.com
- U.S. Department of Health & Human Services www.hhs.gov