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Un examen retrospectivo de los aspectos inmunológicos de las infecciones parasitarias
The introductory remarks of this study are concerned with past accomplishments. Parasitologists during the first quarter of this century were mainly interested in systematics and life histories, and some of them, especially ...
Estado de la erradicación del sarampión en los Estados Unidos
The Vaccination Assistance Act of 1962 authorized the Public Health Service to give financial assistance for the benefit of carrying out improved immunization programs. Annual appropriations for this purpose have ranged ...
La integración del sector salud en la planificación del desarrollo
In this article the author deals with three aspects of the integration of the health sector into development planning. First he deals with the financing of Government health services and indicates the conditions under which ...