Grouping of streptococci by different methods.
D001414:Bacitracin / Q000494:pharmacology*; D002648:Child; D006801:Humans; D008826:Microbial Sensitivity Tests; D010614:Pharynx / Q000382:microbiology; D013291:Streptococcus / Q000145:classification* / Q000187:drug effects / Q000302:isolation & purification
D001414:Bacitracin