[Isolation of group A streptococci from patients with various infectious diseases].
D006801:Humans; D012541:Scarlet Fever / Q000382:microbiology; D013290:Streptococcal Infections / Q000382:microbiology*; D013297:Streptococcus pyogenes / Q000302:isolation & purification*; D014069:Tonsillitis / Q000382:microbiology