研究发现，SO_2及其衍生物可引起人外周血淋巴细胞、小鼠骨髓细胞、中国仓鼠肺成纤维细胞等哺乳动物细胞的染色体畸变、姊妹染色单体交换及微核的形成。

Several studies have shown that SO2 and its derivatives could induce chromosomal aberrations, sister chromatid exchanges and micronuclei in human blood lymphocyte, bone marrow cell in mice and CHL.

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