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Sabrina Tavernise, «Life Spans Shrink for Least-Educated Whites in the U.S.», New York Times, 20.09.2012, доступно по адресу: http://www.nytimes.com/2012/09/21/us/life-expectancy-for-lee-educated-whites-in-us-is-shrinking.html?pagewanted=all.

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