6[3]Dokerty N. Hicks B. Cost - effectioness and analysis and alternative health care programs for the elderly [J] . Health Services Research, 1977, 12 (2): 190 - 203.
7[4]Gerard K.An appraisal of the cost- effectiveness of alternative day care settings for frail elderly people [J] . Age & Ageing, 1988, 17 (5): 38.
8[7]J. Leighton Read. The new era quality of life assessment.Edited by S.R Walker and R.M Rosser: Quality of life: Assessment and application [M] . England: Published in the UK and Europe by MTP Press limited, 1987: 9- 50.
9[8]Jones - lan - R, Higgs- Paul - F - D. Health economists and health care provision for the elderly: implicit assumptions and unstated conclusion, Gerontology: responding to an ageing society. London, 1992.
10[9]Doherty - N - JG; Hicks - B - C Use of cost - effectiveness analysis in geriatric day care [J] .Gerontologist, 1975, 15:412 - 417.