对比研究甲磺酸加替沙星与左氧氟沙星体外抗菌活性和甲磺酸加替沙星的血清杀菌效价；
OBJECTIVE To evaluate antibacterial activity in vitro of gatifloxacin and levofloxacin , and study serum bactericidal titer of gatifloxacin;
结果表明受试动物血清中可检测到有效成分并显示出抗菌活性，同时可引起口腔细菌菌群的变化。
It could be drew the conclusion that the active components could be examined in the serum, and those components could show the antibacterial activities, at the sa...
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