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James P, Berrigan D, Hart JE, Hipp JA, Hoehner CM, Kerr J, Major JM, Oka M, Laden F.James P, et al. Among authors: hipp ja.Health Place. 2014 May;27:162-70. doi: 10.1016/j.healthplace.2014.02.003. Epub 2014 Mar 7.Health Place. 2014.PMID: 24607875Free PMC article.