Fabiana Rowe Zettler, Eduardo Walker Zettler, Virginia Minghelli Schmitt, Marina Tagliaro Jahns, Cícero Armídio Gomes Dias, Carlos Cezar Fritscher
Zettler FR, Zettler EW, Schmitt VM, Jahns T, Dias CAG, Fritscher CC. Phenotypic and genotypic study of macrolide resistance of Streptococcus pneumoniae strains isolated in hospitals in Porto Alegre, in the state of Rio Grande do Sul, Brazil . J Bras Pneumol. 2005;31(4):312-317