title: [An experimental contribution on the study of active immune protection].
mesh_terms: D002648:Child; D002675:Child, Preschool; D003140:Communicable Disease Control; D006801:Humans; D007109:Immunity; D007223:Infant; D014611:Vaccination; D015022:Yugoslavia
vernacular_title: Nas eksperimentalni doprinos proucavanju aktivne imunoloske zastite.