No abstract available
Publication types
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Research Support, U.S. Gov't, P.H.S.
MeSH terms
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Adult
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Aged
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Dust*
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Environmental Exposure
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Female
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Humans
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Lung / ultrastructure
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Male
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Microscopy, Electron, Scanning
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Middle Aged
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Minerals*
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Pulmonary Fibrosis / etiology
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Pulmonary Fibrosis / pathology*