我们采用微量肉汤稀释法，测定了左旋氧氟沙星对临床标本分离的３６５株常见致病菌的最小抑菌浓度（ＭＩＣ），并与氧氟沙星进行了比较。试验结果报告如下。１材料与方法１．１抗菌药物左旋氧氟沙星、氧氟沙星（由上海华山医院抗生素研究所提供）。１．２菌株来源分离自本... We measured the minimum inhibitory concentration (MIC) of 365 common pathogens isolated from clinical samples by levofloxacin using a broth microdilution method and compared with ofloxacin. The test results are reported below. 1 Materials and Methods 1.1 Antibacterial drugs levofloxacin, ofloxacin (Shanghai Huashan Hospital Institute of Antibiotics). 1.2 strains isolated from this ...