Experimental approach to the problem of treatment failure with penicillin.  I.  Group A streptococcal infection in mice.
D000818:Animals; D051379:Mice; D010406:Penicillins / Q000494:pharmacology*; D013290:Streptococcal Infections; D013297:Streptococcus pyogenes; D017211:Treatment Failure
D010406:Penicillins
PENICILLIN/effects; STREPTOCOCCAL INFECTIONS/experimental