The first euthanasia referendum.
D033101:Euthanasia, Active, Voluntary / Q000331:legislation & jurisprudence*; D006801:Humans; D007883:Legislation, Medical; D011057:Politics; D017236:Suicide, Assisted / Q000941:ethics* / Q000331:legislation & jurisprudence*; D013727:Terminal Care; D019452:Terminally Ill; D014861:Washington