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Harper S, Ruder E, Roman HA, Geggel A, Nweke O, Payne-Sturges D, Levy JI.Harper S, et al.Int J Environ Res Public Health. 2013 Aug 30;10(9):4039-59. doi: 10.3390/ijerph10094039.Int J Environ Res Public Health. 2013.PMID: 23999551Free PMC article.Review.
Harper S, Lynch J, Smith GD.Harper S, et al.Annu Rev Public Health. 2011;32:39-69. doi: 10.1146/annurev-publhealth-031210-101234.Annu Rev Public Health. 2011.PMID: 21219168Review.
McKinnon B, Harper S, Moore S.McKinnon B, et al. Among authors: harper s.Int J Public Health. 2011 Apr;56(2):139-52. doi: 10.1007/s00038-010-0224-6. Epub 2010 Dec 14.Int J Public Health. 2011.PMID: 21327854
Speybroeck N, Van Malderen C, Harper S, Müller B, Devleesschauwer B.Speybroeck N, et al. Among authors: harper s.Int J Environ Res Public Health. 2013 Nov 4;10(11):5750-80. doi: 10.3390/ijerph10115750.Int J Environ Res Public Health. 2013.PMID: 24192788Free PMC article.Review.
Yang S, Khang YH, Harper S, Davey Smith G, Leon DA, Lynch J.Yang S, et al. Among authors: harper s.Am J Public Health. 2010 May;100(5):896-903. doi: 10.2105/AJPH.2009.160341. Epub 2010 Mar 18.Am J Public Health. 2010.PMID: 20299661Free PMC article.