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. 2016 Nov 30;355:i5745. doi: 10.1136/bmj.i5745

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Published by the BMJ Publishing Group Limited. For permission to use (where not already granted under a licence) please go to http://group.bmj.com/group/rights-licensing/permissions

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graphic file with name pars028305.f3_default.jpg — Fig 3 Absolute change over time in incidence of regional stage thyroid cancer by lymph node involvement and degree of extrathyroidal extension according to detection methods. Error bars represent 95% confidence intervals of differences in age standardised incidence during study period