Evaluation of an IFN-gamma assay in the diagnosis of latent tuberculosis in patients with psoriasis in a highly endemic setting - Lima, Emerson de Andrade; Lima, Mariana de Andrade; Lorena, Virgínia M. Barros de; Gomes, Yara de Miranda; Lupi, Omar; Benard, Gil (Acta dermato-venereologica, 2011)