1. Health care: thinking ahead;Bezold;World Health Forum,1994
2. A way through the maze: what futurists do and how they do it;Garrett;Futures,1993
3. Health futures in support of health for all: report of an international consultation convened by the World Health Organization, Geneva, 19–23 July, 1993;Taket,1993
4. Public health status and forecasts: the health status of the Dutch population over the period 1950–2010;Ruwaard,1994
5. The Global Burden of Disease: a comprehensive assessment of mortality and disability from diseases, injuries, and risk factors in 1990 and projected to 2020,1996