ticarcillin-clavulanic acid showed superior antibacterial activity compared to penicillin , mezlocillin , piperacillin , ticarcillin , gentamicin , and amikacin against bacteremic isolates of methicillin-susceptible staphylococcus aureus and staphylococcus epidermidis .
C0030842
penicillin
C0031955
piperacillin