Skip Navigation LinksHome > August 2009 - Volume 51 - Issue 8 > Quartz Exposure Can Cause Pneumoconiosis in Coal Workers
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Journal of Occupational & Environmental Medicine:
doi: 10.1097/JOM.0b013e3181abb035
Letters to the Editor

Quartz Exposure Can Cause Pneumoconiosis in Coal Workers

Laney, A Scott PhD; Attfield, Michael D. PhD

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