Additional file 2.
Adjusted Odds Ratios (OR) and 95% Confidence Intervals (CI) for the Association of Lung Cancer Risk with Fruit, Vegetable, and Cruciferous Vegetable Intake by Number of Cigarettes per day and Years of Smoking.
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Tang et al. BMC Cancer 2010 10:162 doi:10.1186/1471-2407-10-162