RT Journal Article SR Electronic T1 Epidemiology of Lung Cancer JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 592 OP 592 DO 10.1136/thx.50.5.592 VO 50 IS 5 A1 JHO YR 1995 UL http://thorax.bmj.com/content/50/5/592.1.abstract AB