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Wampold, Bruce E; Imel, Zac E; Laska, Kevin M; Benish, Steven; Miller, Scott D; Flückiger, Christoph; Del Re, Aaron C; Baardseth, Timothy P; Budge, Stephanie (2010). Determining what works in the treatment of PTSD. Clinical Psychology Review, 30(8):923-933.
Budge, Stephanie; Baardseth, Timothy; Wampold, Bruce E; Flückiger, Christoph (2010). Researcher allegiance and supportive therapy: Pernicious affects on results of randomized clinical trials. European Journal of Psychotherapy and Counselling, 12(1):23-39.