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倒班与心血管疾病的职业流行病学研究华北煤炭医学院预防医学系（河北省唐山市建设路，０６３０００）韩向午一、倒班的概念及其健康影响倒班是一种工时制度，与正常日班不同，是通过轮换班以延长日常八小时以外的生产时间。其种类很多：①有规律地三班交替，多为每周轮换...
Occupational epidemiology of shifts and cardiovascular diseases Department of Preventive Medicine, North China Coal Medical College (Jianshe Road, Tangshan, Hebei Province, 063000) Han Xiangwu First, the concept of shift and its health effects Shift is a system of working hours that is different from normal day classes , Is through the rotation shift to extend the production time outside the normal eight hours. Many types of its: ① regular alternating three shifts, mostly for the weekly rotation ...