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Comment
. 1997 Feb 19;89(4):325-6.
doi: 10.1093/jnci/89.4.325.

Re: Risk factors for lung cancer and for intervention effects in CARET, the Beta-Carotene and Retinol Efficacy trial

J J Challem
Comment

Re: Risk factors for lung cancer and for intervention effects in CARET, the Beta-Carotene and Retinol Efficacy trial

J J Challem. J Natl Cancer Inst. .
No abstract available

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