No abstract available
MeSH terms
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Air Pollutants / toxicity*
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Animals
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Coal / toxicity*
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Desmosomes / ultrastructure
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Epithelium / ultrastructure
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Gases / toxicity*
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Microscopy, Electron
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Palatine Tonsil / drug effects
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Palatine Tonsil / pathology*
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Pharynx / pathology
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Rabbits
Substances
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Air Pollutants
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Coal
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Gases