Oliveira, Helenice B de, and Djalma de C Moreira Filho. “ Retreatment of Tuberculosis: Aspects of Previous Episodes, Brazil, 1993-1994 ”. Revista De Saúde Pública, vol. 34, no. 5, Oct. 2000, pp. 437-43, https://doi.org/10.1590/S0034-89102000000500002.