Objective: To monitor the radiation protection of the low-dose ionizing radiological workers and to analyse the characteristic of cytogenetics changes of low-dose radiological workers.

• 摘要目的：对长期接触低剂量电离辐射的放射工作人员的辐射防护进行监测，分析职业性低剂量受照人群细胞遗传学变化特点。