The effect of penicillin upon the virulence of C. diphtheriae.
D003353:Corynebacterium diphtheriae / Q000187:drug effects*; D006801:Humans; D008910:Minnesota; D010406:Penicillins / Q000494:pharmacology*; D014774:Virulence
D010406:Penicillins
CORYNEBACTERIUM DIPHTHERIAE/effect of drugs on; PENICILLIN/effects