Campaign against tuberculosis in primary school children in Bendel State, Nigeria (1975 to 1977).
D001500:BCG Vaccine / Q000627:therapeutic use*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009549:Nigeria; D012189:Retrospective Studies; D012423:Rural Health; D012572:School Health Services / Q000458:organization & administration / Q000600:supply & distribution; D014376:Tuberculosis / Q000517:prevention & control*
D001500:BCG Vaccine