Objective To study the pathogenic situation of arsenism caused by coal burning pollution.
目的了解燃煤污染引起慢性砷中毒的发病情况。
Objective To study the change of T-lymphocyte immune function in patients with coal-burning type arsenism.
目的探讨燃煤型慢性砷中毒患者T淋巴细胞免疫功能的改变。
Objective to know the instance of arsenic pollution and endemic arsenism and the degree of damage in the south of Shannxi province, to affirm whether there was coal burning-born arsenism areas.
目的查清陕南燃煤污染区的环境砷污染及地方性砷中毒的发病情况和危害程度，确认该区域是否为燃煤型地方性砷中毒病区。
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