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Tefikow, S.; Barth, J.; Maichrowitz, S.; Beelmann, A.; Strauss, B.; Rosendahl, J. (2013). Efficacy of hypnosis in adults undergoing surgery or medical procedures: A meta-analysis of randomized controlled trials. Clinical psychology review, 33(5), pp. 623-636. Elsevier Science 10.1016/j.cpr.2013.03.005
