Tuberculosis at Chioggia: a comparative study of vaccinated and unvaccinated schoolchildren over the ten years 1955-1964.
D001500:BCG Vaccine; D002648:Child; D005500:Follow-Up Studies; D006801:Humans; D007558:Italy; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology*
D001500:BCG Vaccine