Method Field investigation and the related laboratory tests for arsenism were carried out in the population living in endemic area of Guizhou Province. 方法对我省某地区因误采燃用高砷煤引起慢性砷中毒进行现场调查及有关实验室检查。
Conclusion The patients investigated showed typical clinic features and histopathological changes of arsenism, which are consistent with arsenism caused by coal burning pollution. 结论本组病例具有慢性砷中毒典型的临床特征及相应的组织病理改变,符合燃煤污染引起慢性砷中毒的诊断。