6Prendergast. Withholding withdrawal of life sustaining therapy[J]. Hosp Pract, 2000,35 (6) ~ 91-99.
7Colaizzi P. Psychological research as the phenomenolo gists view it[M].//Vaile R, King M. Existential-phe nomenological alternatives for psychology. New York Oxford University Press, 1978 : 48-71.
8American Medical Association. Council on ethical and iu dicial affairs medical futility in end of life eare[J]. JA MA,1999,281(3) :937-939.
9Prendergast T J. Withholding or withdrawal of Life-sus- taining Therapy [J]. Hosp Pract,2000,35(6)..91- 99.
10Carlet J ,Thijs L G,Antonelli M,et al. Challenges in end of-life care in the 1CU [J]. Intensive Care Med,2004,30 (5) :770-784.