电离辐谢是影响人类健康的重要因素之一。为了解长期接触低剂量电离辐射对健康状况的影响,我们于2003年对全市接触射线和从事放射工作人员进行了调查。1对象与方法1.1对象我市各医疗机构、企业中接触电离辐射(X射线诊断、放射治疗、介入治疗、核医学、工业探伤等)满1年以上的职 Ionizing radiation is one of the important factors affecting human health. To understand the long-term exposure to low doses of ionizing radiation on health effects, we surveyed the city’s exposure and radiological staff in 2003. 1 Subjects and methods 1.1 Object Various medical institutions in our city, enterprises in contact with ionizing radiation (X-ray diagnosis, radiation therapy, interventional therapy, nuclear medicine, industrial testing, etc.) for more than 1 year