title: The BCG trials.
mesh_terms: D000293:Adolescent; D000328:Adult; D000942:Antigens, Bacterial / Q000276:immunology; D001500:BCG Vaccine / Q000276:immunology*; D002648:Child; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D006801:Humans; D007223:Infant; D007918:Leprosy / Q000517:prevention & control*; D014376:Tuberculosis / Q000517:prevention & control*
chemical_list: D000942:Antigens, Bacterial; D001500:BCG Vaccine