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Respiratory symptoms and pulmonary function in coal miners: Looking into the effects of simple pneumoconiosis |
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| Authors: | Xiaorong Wang Ignatius T.S. Yu Tze Wai Wong Eiji Yano |
| Abstract: | |
| Keywords: | simple coal workers' pneumoconiosis coalmine dust spirometry diffusing capacity chronic cough chronic phlegm breathlessness emphysema smoking |