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<http://www.providencejournal.com/apps/pbcsi.dll/bilde?Site=PJ&amp;Date=20130828&amp;Category=OPINION&amp;ArtNo=308289968&amp;Ref=AR>
<http://www.providencejournal.com/opinion/letters-to-the-editor/20130828-m.a.-khan-you-can-t-overdiagnose-for-lung-cancer.ece>