Brazilian TB research network: integrated strategies for research and control of tuberculosis in Brasil :new drugs and vaccines, diagnostic tests and clinical-operational evaluation - Silva, Célio Lopes; Santos, D. S.; Lapa e Silva, J. R.; Dietze, R.; Kritski, A.; Ruffino Netto, Antônio; Henriquez, M. G.; Leão, S. C. (World Congress on Tuberculosis, 2002)