title: An American view of BCG vaccination, illustrated by results of a controlled trial in Puerto Rico.
mesh_terms: D000293:Adolescent; D000328:Adult; D001500:BCG Vaccine / Q000009:adverse effects; D002648:Child; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D004608:Eligibility Determination; D005069:Evaluation Studies as Topic; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D008722:Methods; D011647:Puerto Rico; D013997:Time Factors; D014374:Tuberculin Test; D014376:Tuberculosis / Q000453:epidemiology / Q000517:prevention & control*; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology / Q000517:prevention & control*; D014481:United States
chemical_list: D001500:BCG Vaccine