https://www.nice.org.uk/guidance/ng142
https://rightdecisions.scot.nhs.uk/scottish-palliative-care-guidelines/
https://www.nccn.org/guidelines/guidelines-detail?category=3&id=1454
https://www.who.int/news-room/fact-sheets/detail/palliative-care
https://www.moh.gov.sa/awarenessplateform/Patientsrights/Pages/PalliativeTreatment.aspx