RT Journal Article SR Electronic T1 Editorials JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 287 OP 287 DO 10.1136/thx.34.3.287 VO 34 IS 3 A1 Benjamin B Milstein A1 Anthony Seaton YR 1979 UL http://thorax.bmj.com/content/34/3/287.1.abstract AB