RT Journal Article SR Electronic T1 Agenesis of Lung JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 28 OP 33 DO 10.1136/thx.13.1.28 VO 13 IS 1 A1 Smith, R. Abbey A1 Bech, A. O. YR 1958 UL http://thorax.bmj.com/content/13/1/28.abstract AB