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Barker ET, Bornstein MH.Barker ET, et al. Among authors: bornstein mh.J Early Adolesc. 2010 Apr 1;30(2):205-224. doi: 10.1177/0272431609332936. Epub 2009 Mar 6.J Early Adolesc. 2010.PMID: 23155302Free PMC article.