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Kivimäki M, Smith GD, Juonala M, Ferrie JE, Keltikangas-Järvinen L, Elovainio M, Pulkki-Råback L, Vahtera J, Leino M, Viikari JS, Raitakari OT.Kivimäki M, et al. Among authors: viikari js.Heart. 2006 Apr;92(4):474-80. doi: 10.1136/hrt.2005.067108. Epub 2005 Sep 13.Heart. 2006.PMID: 16159979Free PMC article.