1. WHO: Global Tuberculosis Control: report. 2011,
http://apps.who.int/ghodata/
Accessed in January 12/2012
2. Brasil. Ministerio da Saude. Departamento de Vigilância Epidemiologica. Programa Nacional de Controle da Tuberculose. Avaliable at:
http://portal.saude.gov.br/portal/arquivos/pdf/2ap_padrao_tb_20_10_11.pdf
. Accessed in january 14/2012,
3. Pernambuco: Situação da tuberculose em Pernambuco de acordo com o Encerramento dos casos 2001-2011. 2011, Pernambuco: SINAN/SES/DST-AIDS-PE
4. Getahun H, Harrington M, O'Brien R, Nunn P: Diagnosis of smear negative pulmonary tuberculosis in people with HIV infection or AIDS in resource constrained settings: informing urgent policy changes. Lancet. 2007, 369: 2042-2049. 10.1016/S0140-6736(07)60284-0.
5. Whitehorn J, Ayles H, Godfrey-Fausset P: Extra-pulmonary and smear negative forms of tuberculosis are associated with treatment delay and hospitalization. Int J Tuberc Lung Dis. 2010, 14: 741-744.