RT Journal Article SR Electronic T1 The Lung in Rheumatic Disease JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 152 OP 152 DO 10.1136/thx.46.2.152-a VO 46 IS 2 A1 RMB YR 1991 UL http://thorax.bmj.com/content/46/2/152.2.abstract AB