RT Journal Article SR Electronic T1 Pathology of the Lung, Volumes 1 and 2, 4th edition JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 800 OP 800 DO 10.1136/thx.40.10.800-a VO 40 IS 10 A1 CWE YR 1985 UL http://thorax.bmj.com/content/40/10/800.2.abstract AB