MethodsUsing inhibiting tumor experiment, carbon clearance test and MTT method to observe the influences of low molecular N-trimethyl chitosan chloride on the solid tumor and immune system in mice.

方法采用抑瘤实验、碳粒廓清实验、MTT法观察低分子壳聚糖季铵盐对小鼠实体瘤和免疫系统的影响。

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He was met at Kabul's airport Friday morning by a team of mine clearance experts -- a symbol of one of the U.N.

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