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Comment
. 1997 Nov 19;89(22):1722-3.
doi: 10.1093/jnci/89.22.1722.

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

Comment

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

M A Leo et al. J Natl Cancer Inst. .
No abstract available

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