title: [Evaluation of specifity of tuberculin reactions obtained with old tuberculin and BCG-preparation in various children groups].
authors.forename: A
authors.initials: A
authors.lastname: Krzyszkowska
mesh_terms: D001500:BCG Vaccine / Q000276:immunology*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D014373:Tuberculin / Q000276:immunology*; D014374:Tuberculin Test
chemical_list: D001500:BCG Vaccine; D014373:Tuberculin