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Le Roy C, Meier M, Witting S, Pérez-Bravo F, Solano C, Castillo-Durán C.Le Roy C, et al. Among authors: castillo duran c.Rev Chil Pediatr. 2015 Nov-Dec;86(6):393-8. doi: 10.1016/j.rchipe.2015.07.015. Epub 2015 Oct 21.Rev Chil Pediatr. 2015.PMID: 26471311Free article.Clinical Trial.Spanish.