The persistence of penicillin-sensitive nonhemolytic streptococci in the throat during treatment with penicillin.
D006801:Humans; D010406:Penicillins / Q000494:pharmacology*; D010614:Pharynx; D013291:Streptococcus / Q000187:drug effects*
D010406:Penicillins
PENICILLIN/effects; STREPTOCOCCUS/effect of drugs on