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Karol DE, Muzyk AJ, Preud'homme XA.Karol DE, et al.Gen Hosp Psychiatry. 2011 Jan-Feb;33(1):84.e1-2. doi: 10.1016/j.genhosppsych.2010.10.003. Epub 2010 Nov 13.Gen Hosp Psychiatry. 2011.PMID: 21353141Review.