title: Leg ulcer infection with an erythromycin-resistant Streptococcus pyogenes.
mesh_terms: D000368:Aged; D004352:Drug Resistance, Microbial; D004917:Erythromycin / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D007871:Leg Ulcer / Q000188:drug therapy* / Q000382:microbiology; D013290:Streptococcal Infections / Q000188:drug therapy*; D013297:Streptococcus pyogenes / Q000187:drug effects* / Q000302:isolation & purification
chemical_list: D004917:Erythromycin