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Ahnquist J, Wamala SP.Ahnquist J, et al.BMC Public Health. 2011 Oct 11;11:788. doi: 10.1186/1471-2458-11-788.BMC Public Health. 2011.PMID: 21989478Free PMC article.
Ahnquist J, Lindström M, Wamala SP.Ahnquist J, et al.BMC Public Health. 2008 Aug 13;8:283. doi: 10.1186/1471-2458-8-283.BMC Public Health. 2008.PMID: 18700949Free PMC article.