No abstract available
MeSH terms
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Carbonates
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Cellulose
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Cytodiagnosis
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Esters
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Filtration
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Humans
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Lung Neoplasms / diagnosis
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Lung Neoplasms / pathology*
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Membranes, Artificial
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Methods
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Resins, Plant
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Sputum / cytology*
Substances
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Carbonates
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Esters
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Membranes, Artificial
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Resins, Plant
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Cellulose