title: [Primary tubercular infection in school children].
authors: J R
authors: JR
authors: Villalbí
authors: J A
authors: JA
authors: Caylà
authors: J L
authors: JL
authors: Taberner
authors: T
authors: T
authors: Serra
mesh_terms: D001500:BCG Vaccine / Q000276:immunology; D002648:Child; D002675:Child, Preschool; D006801:Humans; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology*
chemical_list: D001500:BCG Vaccine
vernacular_title: Acerca de la primoinfeccion tuberculosa en escolares.