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Ray C, Suominen S, Roos E.Ray C, et al.J Epidemiol Community Health. 2009 Dec;63(12):1005-9. doi: 10.1136/jech.2008.085100. Epub 2009 Jun 11.J Epidemiol Community Health. 2009.PMID: 19525244
Lehto R, Ray C, Lahti-Koski M, Roos E.Lehto R, et al. Among authors: ray c.Public Health Nutr. 2011 Jul;14(7):1245-50. doi: 10.1017/S1368980010003034. Epub 2010 Dec 6.Public Health Nutr. 2011.PMID: 21129237
Lehto R, Ray C, Roos E.Lehto R, et al. Among authors: ray c.Int J Public Health. 2012 Jun;57(3):495-503. doi: 10.1007/s00038-011-0281-5. Epub 2011 Aug 4.Int J Public Health. 2012.PMID: 21814847
Ray C, Roos E, Brug J, Behrendt I, Ehrenblad B, Yngve A, te Velde SJ.Ray C, et al.Public Health Nutr. 2013 Jun;16(6):1109-17. doi: 10.1017/S1368980012004181. Epub 2012 Sep 14.Public Health Nutr. 2013.PMID: 22974579Free PMC article.
Nuutinen T, Ray C, Roos E.Nuutinen T, et al. Among authors: ray c.BMC Public Health. 2013 Jul 26;13:684. doi: 10.1186/1471-2458-13-684.BMC Public Health. 2013.PMID: 23886318Free PMC article.
Määttä S, Ray C, Roos E.Määttä S, et al. Among authors: ray c.Scand J Public Health. 2014 Feb;42(1):45-51. doi: 10.1177/1403494813504506. Epub 2013 Sep 11.Scand J Public Health. 2014.PMID: 24026356