TY - GEN ED - World Health Organization. Special Programme for Research and Training in Tropical Diseases. Ad Hoc Committee on Health Research Relating to Future Intervention Options. TI - Investing in health research and development : report of the Ad Hoc Committee on Health Research Relating to Future Intervention Options PY - 1996/// CY - Geneva : PB - World Health Organization KW - Healthservices research KW - Financing, Health KW - Cost of illness KW - Forecasting KW - Emerging diseases KW - Chronic disease KW - Healthpriorities KW - Healthservices needs and demand KW - Healthservices accessibility ER -