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Kelly PJ, Kay-Lambkin FJ, Baker AL, Deane FP, Brooks AC, Mitchell A, Marshall S, Whittington M, Dingle GA.Kelly PJ, et al. Among authors: baker al.BMC Public Health. 2012 Feb 10;12:113. doi: 10.1186/1471-2458-12-113.BMC Public Health. 2012.PMID: 22325594Free PMC article.Clinical Trial.