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Children and Youth Services Review > 2011 > 33 > 9 > 1667-1672
Journal of Substance Abuse Treatment > 2007 > 32 > 1 > 61-69
Children and Youth Services Review > 2011 > 33 > 9 > 1667-1672
Journal of Substance Abuse Treatment > 2007 > 32 > 1 > 61-69