这些矿工冒着得疟疾和矽肺病以及一些其他疾病的高风险,一次要工作六天每天工作12小时。
Artisanal miners face high risks of malaria, leishmaniasis and other diseases, while working 12-hour shifts for six days at a time.
采用病例对照设计,选择184例男性矽肺病人为病例,111例男性无矽肺矿工为对照。
A case control study was conducted. 184 male silicosis cases and 111 male controls were collected.
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