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Reisner SL, Van Wagenen A, Gordon A, Calzo JP.Reisner SL, et al.Am J Public Health. 2014 Feb;104(2):311-8. doi: 10.2105/AJPH.2013.301745. Epub 2013 Dec 12.Am J Public Health. 2014.PMID: 24328643Free PMC article.