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Betancourt TS, Borisova II, Williams TP, Brennan RT, Whitfield TH, de la Soudiere M, Williamson J, Gilman SE.Betancourt TS, et al. Among authors: brennan rt.Child Dev. 2010 Jul-Aug;81(4):1077-95. doi: 10.1111/j.1467-8624.2010.01455.x.Child Dev. 2010.PMID: 20636683Free PMC article.