RT Journal Article SR Electronic T1 Small vessel vasculitis of the lung JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 502 OP 510 DO 10.1136/thorax.55.6.502 VO 55 IS 6 A2 A E Tattersfield A2 R M du Bois A1 Marvin I Schwarz A1 Kevin K Brown YR 2000 UL http://thorax.bmj.com/content/55/6/502.abstract AB