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Ramirez-Yañez GO, Stewart A, Franken E, Campos K.Ramirez-Yañez GO, et al.Eur J Orthod. 2011 Jun;33(3):236-42. doi: 10.1093/ejo/cjq057. Epub 2010 Aug 19.Eur J Orthod. 2011.PMID: 20724557