1. Perspectives in the clinical application of cephalometrics;Ricketts;Angle Orthod,1981
2. Facial harmony;Cox;Am J Orthod,1971
3. Morfologia facciale e malocclusioni;Bittner;Am J Orthod Dentofac Orthop,1990
4. Nasion true vertical: a proposed method for testing the clinical validity of cephalometric measurements applied to a new cephalometric reference line;Michaels;Int J Adult Orthod Orthognath Surg,1990
5. Predicting soft tissue profile changes concurrent with orthodontic treatment;Yogosawa;Angle Orthod,1990