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Gall SL, Abbott-Chapman J, Patton GC, Dwyer T, Venn A.Gall SL, et al. Among authors: venn a.BMC Public Health. 2010 Feb 2;10:55. doi: 10.1186/1471-2458-10-55.BMC Public Health. 2010.PMID: 20122282Free PMC article.