The early identification of lung carcino
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Thomas L. Petty
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Article
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2000
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John Wiley and Sons
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English
โ 121 KB
## BACKGROUND. Sputum cytology was considered to be ineffective in previous National Cancer Institute trials for early lung carcinoma detection. However, sputum cytology was effective in identifying roentgenographically occult lung carcinoma in a community lung carcinoma identification program, wh