title: B.C.G. and leukaemia.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001500:BCG Vaccine; D004739:England; D005260:Female; D006801:Humans; D007938:Leukemia / Q000401:mortality* / Q000517:prevention & control; D008297:Male; D014852:Wales
chemical_list: D001500:BCG Vaccine