Method: Mouse lymphoma assay(MLA) and mouse bone marrow micronucleus test(MNT) were used.
方法：采用小鼠淋巴瘤细胞试验（MLA）和小鼠骨髓微核试验（MNT）。
2
From the side of genetic toxicology, Using orthogonal design method, we studied the joint effect of benzene, Toluene and xylene on the mice small bowel micronucleus.