title: [Skin reaction to old tuberculin and to PPD in vaccinated and unvaccinated children].
authors.forename: G
authors.initials: G
authors.lastname: ANCIRA VILLARREAL
mesh_terms: D001500:BCG Vaccine; D002648:Child; D006801:Humans; D055633:Immune System Phenomena; D007223:Infant; D009163:Mycobacterium bovis; D014373:Tuberculin; D014374:Tuberculin Test; D014611:Vaccination
chemical_list: D001500:BCG Vaccine; D014373:Tuberculin
keywords: BCG VACCINATION; TUBERCULIN REACTION/in infancy and childhood