Feitoza, Daniela de Souza, Jorge Wilker Bezerra Clares, Leila Vieira Rodrigues, and Paulo César de Almeida. 2012. “Epidemiological Surveillance in the Context of the Tuberculosis Control Program: Limits and Possibilities”. Rev Rene 13 (5). http://www.periodicos.ufc.br/rene/article/view/4101.