title: High rates of erythromycin-resistant Streptococcus pneumoniae among penicillin-resistant strains.
authors: F
authors: F
authors: Soriano
authors: R
authors: R
authors: Fernández-Roblas
mesh_terms: D004352:Drug Resistance, Microbial; D004917:Erythromycin / Q000494:pharmacology*; D008826:Microbial Sensitivity Tests; D010403:Penicillin Resistance; D013296:Streptococcus pneumoniae / Q000187:drug effects*
chemical_list: D004917:Erythromycin