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Ma X, Barnes TL, Freedman DA, Bell BA, Colabianchi N, Liese AD.Ma X, et al. Among authors: colabianchi n.Health Place. 2013 May;21:65-9. doi: 10.1016/j.healthplace.2013.01.008. Epub 2013 Feb 4.Health Place. 2013.PMID: 23434497Free PMC article.