as a result of conducting experimental and clinical tests with the newly developed cephalosporin , cefoperazone ( cpz ) , the following conclusions were obtained : ( 1 ) when tested against 10 strains of staphylococcus aureus and 16 strains of staphylococcus epidermidis , the antibacterial activity of cpz was found to be weaker than that of cez .
C0279516
antibacterial
C0007552
cpz