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Patients HIV+ attending in a reference clinic, Southern Brazil.To compare the interferon-gamma-release assay (IGRA – QuantiFERON® TB Gold In-Tube) with the tuberculin skin test (TST – PPD-Rt 23) for latent tuberculosis infection (LTBI) in patients with HIV.Cohort study. Patients were simultaneously submitted to the TST and blood collection for the IGRA.A total of 140 subjects were included. Nine (6...