Chromosomal stability were detected in 23 children with malignancy by the technique of sister chromatid exchange (SCE).

用姊妹染色单体互换(SCE)技术检测23例恶性肿瘤患儿的染色体稳定性。

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We applied the sister chromatid exchange (SCE) technique to pregnant women with antibodies against cytomegalovirus (CMV) positive, to detect the lesion and repair of DNA in the lymphocytes.

采用孕妇外周血淋巴细胞姐妹染色单体交换（SCE）技术，检测巨细胞病毒（CMV）抗体阳性孕妇淋巴细胞DNA损伤和修复。

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To investigate the incidence of sister chromatid exchange (SCE) and its influencing factors.

探讨影响姐妹染色单体互换(SCE)频率的因素。

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