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进行性大块纤维化(PMF)是导致尘肺患者严重呼吸功能丧失和夭折的主要原因。为探讨煤矿PMF的发病规律和影响PMF的发病因素,以便采取相应的预防措施,本文对不同煤种的八个煤矿PMF进行了比较分析。现将结果报告如下。资料和方法采取典型调查选点的方式,选择了中
Progressive massive fibrosis (PMF) is the leading cause of severe respiratory failure and premature death in patients with pneumoconiosis. In order to discuss the rule of occurrence of PMF in coal mine and the factors which affect the incidence of PMF, in order to take appropriate precautionary measures, PMF of eight coal mines with different coal types were comparatively analyzed. The results reported below. Data and methods to take a typical survey site selection, the choice of