Comparison of two interferon-γ release assays and tuberculin skin test for detecting latent tuberculosis in patients with immune-mediated inflammatory diseases. Issue 4 (25th February 2010) - Kleinert, S; Kurzai, O; Elias, J; Marten, K; Engelke, C; Feuchtenberger, M; Sandstede, J; Frosch, M; Tony, H-P; Kneitz, C