the aim of our study was to compare the effect of the newer quinolones ciprofloxacin ( cip ) , norfloxacin ( nor ) and enoxacin ( eno ) with that of the classical ones nalidixic acid ( na ) , oxolinic acid ( ox ) and pipemidic acid ( pip ) and with a widely-used aminoglycoside tobramycin ( tbr ) .
C0002556
aminoglycoside
C0040341
tobramycin