2Akasaka T, Tanaka M, Yamaguchi A, et al. Type Ⅱ topoisomerase mutations in fluoroquinolone-resistant clinical strains of Pseudomonas aeruginosa isolated in 1998 and 1999: role of target enzyme in mechanism of fluoroquinolone resistance. Antimicrob Agents Chemother, 2001, 45:2263-2268.
3Klepser ME, Patel KB, Nicolau DP, et al. Comparison of the bactericidal activities of ofloxacin and ciprofloxacin alone and in combination with ceftazidime and piperacillin against clinical strains of Pseudomonas aeruginosa. Antimicrob Agents Chemother, 1995, 39:2503-2510.
5Ohwaki K, Yano E, Nagashima H, et al. Impact of infection on length of intensive care unit stay after intracerebral hemorrhage [J]. Neurocrit Care,2008 ;8 (2) :271-5.