- Hospice Foundation of Americawww.hospicefoundation.org
- National Association for Home Care and Hospicewww.nahc.org
- American Federation for Aging Researchwww.infoaging.org
- National Institutes of Healthwww.health.nih.gov
- American Society for Pain Management Nursingwww.aspmn.org
- U.S. Department of Health & Human Serviceswww.hhs.gov
- Accreditation Commission for Health Care (ACHC)www.achc.org
- NGS Serviceswww.ngsservices.com
- Centers for Medicare & Medicaid Serviceswww.cms.gov
