[Routine use of PPD Rt 23 in the campaign against tuberculosis in the slums].
D001938:Brazil; D002648:Child; D002675:Child, Preschool; D006801:Humans; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis*
PPD Rt.23 na rotina da luta contra a tuberculose na favela.