this study compared the efficacy of therapy with the double beta-lactam combination of ceftazidime plus piperacillin with that of single-agent therapy with ceftazidime , piperacillin , or amikacin alone and with that of two aminoglycoside-beta-lactam combinations against pseudomonas aeruginosa peritonitis and bacteremia in neutropenic rats .
C0002499
amikacin
C0002556
aminoglycoside