Respiratory impairments due to dust expo
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Xiaorong Wang; Eiji Yano; Koichi Nonaka; Mianzheng Wang; Zhiming Wang
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Article
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1997
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John Wiley and Sons
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English
โ 68 KB
๐ 2 views
We conducted a comparative study of pulmonary dysfunction among workers who were exposed to silica, asbestos, or coalmine dust. The results showed that all three groups of dust-exposed workers, even those without radiographic signs of pneumoconiosis, had decreased spirometric parameters and diffusin