at readily attainable serum concentrations , mezlocillin inhibited significantly more isolates than cefoxitin ( p less than 0.0005 ) , ampicillin ( p less than 0.0005 ) , penicillin g ( p less than 0.005 ) , and clindamycin ( p less than 0.025 ) ;
C0025893
mezlocillin
C0002680
ampicillin