Interferon-γ release assays in tuberculosis contacts: is there a window period?
L. Anibarro, M. Trigo, C. Villaverde, A. Pena, S. Cortizo, D. Sande, R.A. Pazos, Á. González-Fernández
European Respiratory Journal 2011 37: 215-217; DOI: 10.1183/09031936.00030610