23f
23f-
The properties of serotype 23F and 6 isolates of penicillin resistant pneumococci were assessed by PFGE .
使用PFGE图型方法分析6株血清型23F和3株血清型6的青霉素耐药菌株流行病学上的基本特性。
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The type 19F and 23F pneumococcal polysaccharide ( C-PS ) were covalently bound to tetanus toxoid ( TT ) separately to form conjugates .
用肺炎链球菌19F型、23F型的荚膜多糖（CPS）分别和破伤风类毒素（TT）蛋白结合，制备了两个型别的多糖蛋白结合物（19FTT，23FTT）。