on h. influenzae cmx exerted the strongest antibacterial activity among test drugs ( ampicillin , piperacillin cefoperazone , latamoxef ) regardless of the production of beta-lactamase by the organism , while on b. catarrhalis it also exerted an antibacterial activity strong enough to control the proliferation of all strains at a dose level of 0.39 microgram/ml .
C0002680
ampicillin
C0279516
antibacterial