A study of beta-haemolytic streptococci isolated from cases of pyoderma.
D006801:Humans; D011711:Pyoderma / Q000382:microbiology*; D013290:Streptococcal Infections / Q000382:microbiology; D013291:Streptococcus / Q000302:isolation & purification*; D013297:Streptococcus pyogenes / Q000302:isolation & purification