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Wild-Wall N, Falkenstein M, Gajewski PD.Wild-Wall N, et al. Among authors: gajewski pd.Front Psychol. 2011 Aug 30;2:186. doi: 10.3389/fpsyg.2011.00186. eCollection 2011.Front Psychol. 2011.PMID: 21909328Free PMC article.