4McDowell I,Newell C.Measuring Health:A Guide to Rating Scales and Questionnaires[R].Oxford University Press,1996
5Canadian Coordinating Office for Health Technology Assessment.Guidelines for economic eval uation of pha rmaceutical s Canada.2nd Edition.Ottawa:CCOHTA,Nov 1997
6[9]O Brien B, Gafni A.When do the dollars make sense? Toward a conceptual framework for contingent valuation studies in health care[J].Medical Decision Maki-ng, 1996, 16(3); 288.
7[10]Brazier J, Roberts J and Deverill M.The estimation of a preference- based measure of health from the SF- 36[J].Journal of Health Economics, 2001, 772; 1.
8[1]Bombardier C, Maetzel A.Pharmacoeconomic evaluation of new treatments; efficacy versus effectiveness studies[J].The Annals of the Rheumatic Diseases, 1999, 58(Supp 1); 182.
9[2]Spilker B, Editor.Quality of Life and Pharmacoeconom-ics in Clinical Trials[R].PA; Lippincott- Raven, 1996.
10[3]McDowell I,Newell C.Measuring Health;A Guide to Rating Scales andQuestionnaires[R].Oxford University Press, 1996.