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Creator Personal Names
Kaplan, Kenneth C.
Remove constraint Creator Personal Names: Kaplan, Kenneth C.
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Hunsaker, Michael R.
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All Creators
Kaplan, Kenneth C.
Remove constraint All Creators: Kaplan, Kenneth C.
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Lungs--Dust diseases.
Remove constraint All Subjects: Lungs--Dust diseases.
Subject Topical
Coal miners--Diseases.
Remove constraint Subject Topical: Coal miners--Diseases.
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