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Klein J, Grosse Frie K, Blum K, von dem Knesebeck O.Klein J, et al.Int J Qual Health Care. 2010 Dec;22(6):525-30. doi: 10.1093/intqhc/mzq056. Epub 2010 Oct 8.Int J Qual Health Care. 2010.PMID: 20935011
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Vonneilich N, Jöckel KH, Erbel R, Klein J, Dragano N, Weyers S, Moebus S, Siegrist J, von dem Knesebeck O.Vonneilich N, et al. Among authors: klein j.Int J Equity Health. 2011 Oct 13;10:43. doi: 10.1186/1475-9276-10-43.Int J Equity Health. 2011.PMID: 21995609Free PMC article.
Klein J, Vonneilich N, Baumeister SE, Kohlmann T, von dem Knesebeck O.Klein J, et al.Int J Public Health. 2012 Jun;57(3):619-27. doi: 10.1007/s00038-012-0356-y. Epub 2012 Mar 14.Int J Public Health. 2012.PMID: 22415373
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Klein J, von dem Knesebeck O.Klein J, et al.Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz. 2016 Feb;59(2):238-44. doi: 10.1007/s00103-015-2283-6.Bundesgesundheitsblatt Gesundheitsforschung Gesundheitsschutz. 2016.PMID: 26631009Review.German.