Comparative activities of clinafloxacin, grepafloxacin, levofloxacin, moxifloxacin, ofloxacin, sparfloxacin, and trovafloxacin and nonquinolones linezolid, quinupristin-dalfopristin, gentamicin, and vancomycin against clinical isolates of ciprofloxacin-resistant and -susceptible Staphylococcus aureus strains - Jones,M.E.; Visser,M.R.; Klootwijk,M.; Heisig,P.; Verhoef,J.; Schmitz,F-J. (Antimicrob Agents Chemother, 1999)