title: Is tuberculin testing a necessary preliminary to BCG vaccination in Great Britain?
mesh_terms: D000293:Adolescent; D001500:BCG Vaccine / Q000009:adverse effects; D002648:Child; D006801:Humans; D006968:Hypersensitivity, Delayed / Q000175:diagnosis; D014374:Tuberculin Test; D014397:Tuberculosis, Pulmonary / Q000453:epidemiology; D006113:United Kingdom
chemical_list: D001500:BCG Vaccine