Erythromycin resistant Streptococcus pyogenes in Cambridge.
D000328:Adult; D000368:Aged; D002648:Child; D004352:Drug Resistance, Microbial; D004739:England; D004917:Erythromycin / Q000494:pharmacology*; D006801:Humans; D013290:Streptococcal Infections / Q000453:epidemiology; D013297:Streptococcus pyogenes / Q000187:drug effects / Q000302:isolation & purification*
D004917:Erythromycin