SSmallpox in two systems of knowledgeSmallpox in two systems of knowledgede Frédérique Apffel-MarglinMateriasSmallpoxVaccinationTraditional medicineEdiciones (1)Smallpox in two systems of knowledge (1989)World Institute for Development Economics Research · inglésMás obras de Frédérique Apffel-MarglinIInterrogating developmentInterrogating developmentSSubversive spiritualitiesSubversive spiritualitiesRethinking Freire