RT Journal Article SR Electronic T1 BCG vaccination of schoolchildren in England and Wales. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 646 OP 647 DO 10.1136/thx.45.8.646-b VO 45 IS 8 A1 M Nisar A1 P D Davies YR 1990 UL http://thorax.bmj.com/content/45/8/646.3.abstract AB