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我国开展了大量关于苯对工人健康影响的流行病学调查研究,然而不同文献报道的研究结论受地区、时间、仪器设备、单个研究统计效力及样本含量等因素影响存有误差。为进一步探讨职业性苯暴露对工人外周血白细胞数量的影响,本文收集1990至2013年关于职业性苯暴露对工人外周血白细胞数量影响的文献进行Meta分析,为预防控制其职业性损害提供参考依据。1资料与方法1.1资料来源1990至2013年国内生物医学期刊公开发表有关职业性苯
In our country, a large number of epidemiological investigations on the health effects of benzene have been carried out in our country. However, the findings reported in different literatures are subject to errors due to factors such as area, time, equipment, individual research statistic power and sample content. To further explore the impact of occupational benzene exposure on workers ’peripheral blood leukocytes, a meta-analysis of the literature on the effects of occupational benzene exposure on workers’ peripheral blood leukocytes from 1990 to 2013 was collected to provide a reference for the prevention and control of occupational injuries . 1 Materials and Methods 1.1 Source of Information 1990-2013 domestic biomedical journals published on the occupation of benzene