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Nance R, Delaney J, McEvoy JW, Blaha MJ, Burke GL, Navas-Acien A, Kaufman JD, Oelsner EC, McClelland RL. Smoking intensity (pack/day) is a better measure than pack-years or smoking status for modeling cardiovascular disease outcomes. Journal of Clinical Epidemiology. 2017 Jan;81():111–9. doi: 10.1016/j.jclinepi.2016.09.010. |