Socio-economic differential mortality in industrialized societies.

Case management of acute respiratory infections in children in developing countries

Managerial process for national health development : guiding principles for use in support of strategies for health for all by the year 2000

Health programme evaluation : guiding principles for its application in the managerial process for national health development

International classification of procedures in medicine. Vol. 1

International classification of procedures in medicine. Vol. 2

Air pollution reference measurement methods and systems : proceedings of the international workshop, Bilthoven, December 12-16, 1977