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. 2012 Oct 25;345:e7093. doi: 10.1136/bmj.e7093

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© Sakata et al 2012

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-commercial License, which permits use, distribution, and reproduction in any medium, provided the original work is properly cited, the use is non commercial and is otherwise in compliance with the license. See: http://creativecommons.org/licenses/by-nc/2.0/ and http://creativecommons.org/licenses/by-nc/2.0/legalcode.

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graphic file with name sakr008399.f2_default.jpg — Fig 2 Survival from age 35 years for Japanese men and women born between 1920 and 1945 who were never smokers or who started to smoke before age 20 years and continued smoking (mean smoking intensity among smokers of 23 cigarettes/day for men and 17 cigarettes/day for women). (Additional survival curves are given in extra figs 2 and 3 in supplementary material on bmj.com)