RT Journal Article SR Electronic T1 Smoking and tuberculosis: a chance or causal association? JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 527 OP 528 DO 10.1136/thx.2004.036012 VO 60 IS 7 A1 G H Bothamley YR 2005 UL http://thorax.bmj.com/content/60/7/527.abstract AB