Torre H, Alarcón JA. Changes in nasal air flow and school grades after rapid maxillary expansion in oral breathing children. Med Oral Patol Oral Cir Bucal. 2012 Sep 1;17 (5):e865-70.

doi:10.4317/medoral.17810

http://dx.doi.org/doi:10.4317/medoral.17810

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