title: [Development of tuberculin sensitivity in schools since 1947. "False positives" and "false negatives"].
mesh_terms: D000367:Age Factors; D001530:Belgium; D005188:False Negative Reactions; D005189:False Positive Reactions; D012306:Risk; D012572:School Health Services; D014374:Tuberculin Test; D014376:Tuberculosis / Q000453:epidemiology
vernacular_title: L'évolution depuis 1947 de la sensibilité tuberculinique en milieu scolaire. Les "faux positifs" et les "faux négatifs"