1. Drummond M, Rutten F, Brenna A, Gouveia Pinto C, Horisberger B et al: Economic evaluation of pharmaceuticals. A European perspective. PharmacoEconomics 1993 4: 173–186
2. Drummond M, Stoddart G, Torrance G: Methods for the Economic Evaluation of Health Care Programmes. Oxford Medical Publications. Oxford University Press, 1987
3. Schieber G, Poullier J-P, Greenwald L: US Health Expenditure Performance: An International Comparison and Data Update. Health Care Financing Review. US Department of Health and Human Services, Vol. 13, No. 4, September 1992
4. OECD Health Systems. Facts and Trends 19601991, Vol. 1. Health Policy Studies No. 3. OECD, Paris, 1993
5. Jacobs P, Bachynsky J, Baladi J-F: A comparative review of pharmacoeconomic guidelines. PharmacoEconomics 1995 8: 182–189