RT Journal Article SR Electronic T1 Comparison of two interferon-γ release assays and tuberculin skin test for detecting latent tuberculosis in patients with immune-mediated inflammatory diseases JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 782 OP 784 DO 10.1136/ard.2009.113829 VO 69 IS 4 A1 Kleinert, S A1 Kurzai, O A1 Elias, J A1 Marten, K A1 Engelke, C A1 Feuchtenberger, M A1 Sandstede, J A1 Frosch, M A1 Tony, H-P A1 Kneitz, C YR 2010 UL http://ard.bmj.com/content/69/4/782.abstract AB