"Developing countries" . . "Developing countries." . "Santé publique Pays en voie de développement." . . "Santé publique - Pays en voie de développement." . "Épidémiologie." . . "Epidemiologie." . "Delivery of Health Care." . . "Health Services." . . "World Health Organization." . . . . "Basic health care in developing countries"@en . . . . "Basic health care in developing countries : an epidemiological perspective" . "Basic health care in developing countries : an epidemiological perspective"@en . . . . . . . . . . "Basic health care in developing countries; an epidemiology perspective"@en . . . . . "Basic health care in developing countries an epidemiological perspective"@en . . . . . . . . . . . . . . . . . . . . . . . . . "Meeting of the Regional Working Group on Basic Health Services (1976.09.21-29 : Manila)" . . . "Soins médicaux Pays en voie de développement." . . "Soins médicaux - Pays en voie de développement." . . . "Ontwikkelingslanden." . . "Medical care." . . "Developing countries Congresses." . . "Public health Congresses." . . "Public Health Congresses." . "Organizzazione mondiale della sanità." . . "International Epidemiological Association." . . "International epidemiological association." .