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Enns MW, Cox BJ, Afifi TO, De Graaf R, Ten Have M, Sareen J.Enns MW, et al.Psychol Med. 2006 Dec;36(12):1769-78. doi: 10.1017/S0033291706008646. Epub 2006 Sep 26.Psychol Med. 2006.PMID: 16999880
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