a total of 82 strains of streptococcus mutans representing serotypes a through g were tested for susceptibility to erythromycin , penicillin , methicillin , lincomycin , tetracycline , vancomycin , gentamicin , streptomycin , neomycin , kanamycin , bacitracin , and polymyxin b .
C0030842
penicillin
C0025643
methicillin