[Effect of penicillin and streptomycin on the toxigenic properties of scarlet fever streptococci].
D006801:Humans; D010406:Penicillins; D012541:Scarlet Fever; D013291:Streptococcus; D013307:Streptomycin
D010406:Penicillins; D013307:Streptomycin
PENICILLIN; SCARLET FEVER; STREPTOCOCCUS; STREPTOMYCIN