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作者对美国西佛吉尼亚州(West Uirginia)20名终身不吸烟的煤矿工人肺的局部通气(V)和血流(Q)进行了研究,旨在探索改善煤工尘肺早期诊断
The authors studied lung lung ventilation (V) and blood flow (Q) in 20 life-long non-smoker coal miners in West Uirginia to explore ways to improve the early diagnosis of pneumoconiosis in coal workers