Purpose and methods: Single cell gel electrophoresis (SCGE), sister chromatid exchanges (SCE), chromosome aberrations are three methods to determine DNA damage and repair.

目的与方法：单细胞凝胶电泳技术(SCGE)、姐妹染色单体交换法(SCE)和染色体畸变分析法均能被用来检测dna的损伤或修复。

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The paper makes an observation and statistical study of 28 cases in drinking group and 22 cases in control group with peripheric blood of lymphatic sister chromatid exchanges (SCE).

本文对饮酒组28例、对照组22例的外周血淋巴细胞姐妹染色单体互换、核仁形成区和随体联合进行了观察、统计。

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