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Millett C, Saxena S, Ng A, Mainous A 3rd, Majeed A.Millett C, et al.J Public Health (Oxf). 2007 Dec;29(4):413-9. doi: 10.1093/pubmed/fdm058. Epub 2007 Sep 24.J Public Health (Oxf). 2007.PMID: 17895256