1. A concept of facial esthetics;Peck;Angle Orthod,1970
2. Asymmetries: diagnosis and treatment;Lindauer;Semin Orthod,1998
3. Prevalence of orthodontic asymmetries;Sheats;Semin Orthod,1998
4. The prevalence of facial asymmetry in the dentofacial deformities population at the University of North Carolina;Severt;Int J Adult Orthodon Orthognath Surg,1997
5. Prevalence of dentofacial characteristics in a Belgian orthodontic population;Willems;Clin Oral Investig,2001