Occupational radiation dose was detected by TLD dose meter.
职业外照射剂量，采用TLD剂量计测得。
Objective To explore the effect of long term, low dose occupational radiation exposure on workers health.
目的探讨低剂量长期职业辐射对作业人员健康状况的影响。
Objective: To study the chromosome aberration effect of low-dose occupational radiation exposure in medical X-ray workers.
目的：了解职业性低剂量外照射对医用X射线工作者的染色体畸变的影响。
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