title: An increase in abnormal reactions to BCG: implications for prevention and treatment.
mesh_terms: D000293:Adolescent; D001500:BCG Vaccine / Q000009:adverse effects*; D004739:England; D006801:Humans; D007271:Injections, Intradermal / Q000379:methods; D012306:Risk; D012572:School Health Services; D014376:Tuberculosis / Q000517:prevention & control
chemical_list: D001500:BCG Vaccine