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Mistakidis, Ilias; Katib, Hattan; Vasilakos, Georgios; Kloukos, Dimitrios; Gkantidis, Nikolaos (2016). Clinical outcomes of lingual orthodontic treatment: a systematic review. European journal of orthodontics, 38(5), pp. 447-458. Oxford University Press 10.1093/ejo/cjv061
