the in-vitro antimicrobial activity of three new quinolones , ciprofloxacin , ofloxacin and pefloxacin , was compared against 194 recent clinical isolates , 50 s. aureus , 50 e. coli , 45 e. cloacae and 49 p. aeruginosa .
C0034428
quinolones
C0028902
ofloxacin