the following antimicrobial agent-bacterial combinations present specific problems to the clinician : trimethoprim-sulfamethoxazole and group d enterococcus , cephalosporins and methicillin-resistant staphylococcus aureus , aminoglycosides and staph . aureus , and aminoglycosides and pseudomonas aeruginosa .
C1136254
antimicrobial agent
C0002556
aminoglycosides