RT Journal Article SR Electronic T1 Relapse of sarcoidosis upon treatment with etanercept JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 896 OP 898 DO 10.1136/ard.2007.078840 VO 67 IS 6 A1 Louie, G H A1 Chitkara, P A1 Ward, M M YR 2008 UL http://ard.bmj.com/content/67/6/896.abstract AB