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Sanders MR, Rebgetz M, Morrison M, Bor W, Gordon A, Dadds M, Shepherd R.Sanders MR, et al.J Consult Clin Psychol. 1989 Apr;57(2):294-300. doi: 10.1037//0022-006x.57.2.294.J Consult Clin Psychol. 1989.PMID: 2708618Free article.