[1]Allen Williams. Economics of Coronary Artery Bypass Grafting[J]. British Medical Journal 1985:291. [2]Herbert E. Klarman. The Road to Cost-Effectiveness Analysis[J].The Milbank Memorial Fund Quarterly / Health and Society, 1982,60(4):585-603. [3]Allen Williams. The Value of QALYs[J]. Health and Social Service Journal 1985: 3 [4]Louise B. Russell. Opportunity Costs in Modern Medicine[J]. Health Affairs, vol. 11, no. 2, Summer 1992, 162-69. [5]David Eddy. Cost-Effectiveness Analysis: Is It Up to the Task?[J] Journal of the American Medical Association 267(June 24, 1992): 3344. [6]Allen Williams. The Value of QALYs[J]. Health and Social Service Journal 1985: 3 [7]Tom Beauchamp, James Childress. Principles of Biomedical Ethics[M]. Oxford University Press, 1979. [8]John Harris. QALYfying the Value of Life[J]. Journal of Medical Ethics 13(1987):117. [9]John Harris. QALYfying the Value of Life[J]. Journal of Medical Ethics 13(1987):117.