title: B.C.G. vaccination and leukaemia. Evidence of vital statistics.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001500:BCG Vaccine; D002170:Canada; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007938:Leukemia / Q000453:epidemiology* / Q000401:mortality* / Q000517:prevention & control; D012606:Scotland
chemical_list: D001500:BCG Vaccine