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Hjemdal O, Vogel PA, Solem S, Hagen K, Stiles TC.Hjemdal O, et al. Among authors: solem s.Clin Psychol Psychother. 2011 Jul-Aug;18(4):314-21. doi: 10.1002/cpp.719. Epub 2010 Aug 30.Clin Psychol Psychother. 2011.PMID: 20806419