略語大辞典 [Med] 21 NTD non-treatment decision 治療をしない決定. 安楽死.non-treatment decision; an euthanasia;an MDEL(medical decisions concerningthe end of life) of a patient; the withholding or withdrawal of treatmentin situations where the treatment wouldprobably have prolonged life; ref. APS(alleviation 丸善「略語大辞典」JLogosID : 11863409