No abstract available
MeSH terms
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Boston / epidemiology
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Diagnosis, Differential
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Humans
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Lung Neoplasms / diagnosis*
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Lung Neoplasms / diagnostic imaging
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Lung Neoplasms / epidemiology*
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Lung Neoplasms / mortality
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Lung Neoplasms / prevention & control
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Mass Screening* / statistics & numerical data
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Observer Variation*
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Philadelphia / epidemiology
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Randomized Controlled Trials as Topic
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Tomography, X-Ray Computed
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United States / epidemiology