Farronato Giampietro, Santamaria Gianfranco, Cressoni Paolo, Falzone Daniela, Colombo Margherita
School of Orthodontics, Department of Surgical, Reconstructive and Diagnostic Sciences, Fondazione IRCSS Cá Granda, University of Milan, Via Commenda 10, 20122 Milan, Italy.
J Clin Orthod. 2011 May;45(5):263-7; quiz 287-8.