1. Brommels, M. Assessing coronary artery bypass surgery: survival, physical ability and quality of life. In ISTACH. Abstracts of the Sixth Annual Meeting, Houston, Texas, USA, (May 20–23) 1990, p. 8.
2. EuroQol Group. EuroQol©-a new facility for the measurement of health-related quality of life. Health Policy 1990; 16:199–208.
3. Pekurinen, M., Vohlonen, I. and Sintonen, H. Redefining incentives in primary medical care: The Finnish demonstration project. In Lopez-Casasnovas, G. (ed.) Incentives in Health Systems. Heidelberg, Springer Verlag, 1991, pp. 224–238.
4. Rönty, H. Cerebral trauma. A clinical, computed tomography, quantitative EEG, blood circulation isotope and neuropsychological follow-up study. Acta Universitatis Ouluensis, Series D, Medica 182, Oulu, University of Oulu Printing Center, 1988.
5. Sintonen, H. An approach to economic evaluation of actions for health. A theoretic-methodological study in health economics with special reference to Finnish health policy. Official Statistics of Finland, Special Social Studies XXXII: 74, Helsinki, Government Printing Centre, 1981.