Objective: To analyze relationship among micronucleus and length of service, classes of work and cumulated absorbing dose by analyzing the micronucleus of nuclear workers.

• 摘要目的：通过对放射工作人员外周血淋巴细胞微核检测3年的结果动态分析，探讨微核与工龄、工种、累计吸收剂量之间的关系。