Diagnosis of tuberculous infection in immunosuppressed patients and/or candidates for biologics using a combination of 2 IGRA tests: T-SPOT.TB/QuantiFERON TB Gold In-Tube vs. T-SPOT.TB/QuantiFERON TB Gold Plus Ana Fernández-Blázquez, Pablo Argüelles Menéndez, Christian Sabater-Cabrera, José-María García-García, Víctor Asensi Álvarez, Juan José Palacios Gutiérrez

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