the antibacterial activity of the newer beta-lactam compounds mezlocillin , cefuroxime , cefotaxime , ceftizoxime , cefoperazone , lamoxactam , and cefsulodin was evaluated in 335 strains of ampicillin-resistant ( mic greater than 16 mg/l ) enterobacteria , 50 pseudomonas aeruginosa , 28 acinetobacter species , and 50 streptococcus faecalis isolates .
C0025893
mezlocillin
C0002680
ampicillin