conclusions from this study are : 1 ) serum specimens containing aminoglycoside-penicillin combinations should be tested immediately or frozen before antibiotic assay and 2 ) aminoglycoside inactivation by the newer semisynthetic penicillins may be important in patients with renal failure who are receiving these antimicrobial agents .
C0002556
aminoglycoside
C1136254
antimicrobial agents