Leonardo Gilberto Haas Signori, Maurício Weyh Ferreira, Luiz Carlos Hack Radünz Vieira, Karen Reetz Müller, Waldo Luís Leite Dias de Mattos
Signori LGH, Ferreira MW, Vieira LCHR, Müller R, Mattos WLLD. Sputum examination in the clinical management of community-acquired pneumonia. J Bras Pneumol. 2008;34(3):152-158