Objective: To study the mutagenic effects of dirithromycin.
目的：检测地红霉素的致突变活性。
Among them, carcinogenic, teratogenic and mutagenic effects of some 500 species.
其中有致癌、致畸、致突变作用的约500余种。
Laser is a new type physical mutagenic agent which produces various mutagenic effects on microorganism.
激光是一种新型的物理诱变剂，对微生物产生不同的诱变效应。
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