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Occurrence of resistance mechanisms to macrolides, lincosamides, and streptogramin B among GBS strains (n = 165): erythromycin sensitive (no resistance mechanism) (n = 115); inductive mechanism of resistance to macrolides, lincosamides, and streptogramin B (MLSB i) (n = 11); constitutive mechanism of resistance to macrolides, lincosamides, and streptogramin B (MLSB c) (n = 30) and M phenotype (n = 9).
