- American Public Health Associationwww.apha.org
- Mayo Clinicwww.mayoclinic.com
- American Public Health Associationwww.medicare.gov
- Home Care Association of Americawww.hcaoa.org
- National Institutes of Healthwww.health.nih.gov
- U.S. Department of Health & Human Serviceswww.hhs.gov
- WebMDwww.webmd.com
- National Council on Disabilitywww.ncd.gov