- National Institute on Agingwww.nia.nih.gov/health/what-are-palliative-care-and-hospice-care
- Hospice Foundation of Americawww.hospicefoundation.org/Hospice-Care/Hospice-Services
- National Hospice and Palliative Care Organizationwww.nhpco.org/hospice-care-overview/history-of-hospice/
- Centers for Disease Control and Preventionwww.cdc.gov/nchs/fastats/hospice-care.htm
- Cancer.orgwww.cancer.org/treatment/end-of-life-care/hospice-care/who-provides-hospice-care.html
- Texas Health and Human Serviceswww.hhs.texas.gov/services/health/palliative-care/hospice-care
