Screening for  -hemolytic streptococcus in the throat.
D001431:Bacteriological Techniques; D006801:Humans; D008722:Methods; D010612:Pharyngitis / Q000382:microbiology*; D013290:Streptococcal Infections / Q000175:diagnosis*; D013291:Streptococcus / Q000302:isolation & purification*