the following minimum inhibitory concentrations ( mics ) of antimicrobial agents were determined for greater than or equal to 90 % of isolates : methicillin greater than 16 micrograms/ml , clindamycin 1-2 micrograms/ml , tobramycin less than or equal to 1 microgram/ml , cephalothin 8-64 micrograms/ml , kanamycin 2-8 micrograms/ml , amikacin less than or equal to 1-2 micrograms/ml , penicillin 2-greater than or equal to 4 micrograms/ml , ampicillin 2-8 micrograms/ml , trimethoprim-sulfa 4/76-32/608 micrograms/ml tetracycline 1-4 micrograms/ml and chloramphenicol 8-16 micrograms/ml .
C1136254
antimicrobial agents
C0039644
tetracycline