目的了解燃煤污染引起慢性砷中毒的发病情况。
Objective To study the pathogenic situation of arsenism caused by coal burning pollution.
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 study the change of T-lymphocyte immune function in patients with coal-burning type arsenism.
工业污染及水源污染使人暴露于无机砷的环境，导致慢性砷中毒。
The pollution of drinking water make people expose to the inorganic arsenic and cause the chronic arsenic poisoning.
慢性砷中毒对人体健康的损害严重而且危害广泛，一直是世界各国广泛关注的问题。
Chronic arsenic poisoning has serious and extensive impact on human health, which attracts wide attention worldwide.
慢性砷中毒对人体健康的损害严重而且危害广泛，一直是世界各国广泛关注的问题。
Chronic arsenic poisoning has serious and extensive impact on human health, which attracts wide attention worldwide.
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