[Tuberculin index (prevalence of infection) during the first 6 months of 1967 in nursery, primary and secondary schools in the region of Liège].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001530:Belgium; D002648:Child; D002675:Child, Preschool; D006801:Humans; D012572:School Health Services; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology*
Index tuberculinique pendant les six premiers mois de l'année 1967 dans les écoles gardiennes, primaires et secondaires de l'arrondissement de Liège.