1. Foundations of cost-effectiveness analysis for health and medical practices;Weinstein;New England Journal of Medicine,1977
2. Retningslinjer for prioritering innen helsevesenet (Guidelines for prioritising in the Norwegian health services);Norwegian Commission on Prioritisation in Health Care,1987
3. Norwegian health care politicians do not wish to maximize health;Nord;Journal of the Norwegian Medical Association,1993
4. QALYfying the value of life;Harris;Journal of Medical Ethics,1987
5. The relevance of health state after treatment in prioritising between different patients;Nord;Journal of Medical Ethics,1993