- U.S. Department Of Health and Human Serviceswww.hhs.gov
- Home Care Association of Americawww.hcaoa.org
- American Association for Homecarewww.aahomecare.org
- American Heart Associationwww.heart.org
- WebMDwww.webmd.com
- California Department of Public Health – CA.govwww.cdph.ca.gov
- California Department of Agingwww.aging.ca.gov