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石棉肺是危害工人健康较为严重的职业病。为探讨石棉肺Ｘ线特征，我们对北京某石棉厂粉尘作业工人Ｘ线胸片进行分析。现将结果报告如下。材 料 与 方 法一、一般情况４２９例石棉作业工人（男性２３０人、女性１９９人）均来自北京某石棉厂。受检者均以不同程度的胸闷，气
Asbestosis is an occupational disease that endangers the health of workers. In order to explore the X-ray characteristics of asbestos lungs, we analyzed the X-ray images of dust workers in a certain asbestos factory in Beijing. The results reported below. Materials and Methods I. General 429 asbestos workers (230 males and 199 females) came from a Beijing asbestos factory. Subjects were varying degrees of chest tightness, gas