No abstract available
MeSH terms
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Adult
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Aged
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Carcinoma, Bronchogenic / diagnosis*
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Carcinoma, Bronchogenic / epidemiology
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Carcinoma, Squamous Cell / diagnosis
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Carcinoma, Squamous Cell / epidemiology
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Czechoslovakia
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Female
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Humans
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Lung Neoplasms / diagnosis*
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Lung Neoplasms / epidemiology
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Male
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Mass Screening
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Middle Aged