RT Journal Article SR Electronic T1 Pleural sarcoidosis: Sarcoidosis and primary biliary cirrhosis. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 198 OP 199 DO 10.1136/thx.52.2.198 VO 52 IS 2 A1 D Mitchell YR 1997 UL http://thorax.bmj.com/content/52/2/198.abstract AB