1. Professional assessments of varied silhouette facial profiles;Czarnecki,1984
2. Soft tissue cephalometric analysis for orthognathic surgery;Legan;J Oral Surg,1980
3. Surgical correction of dentofacial deformities;Proffitt,1980
4. Esthetics and a quantitive analysis of facial appearance;Lucker,1981
5. Changes in nasolabial angle due to maxillary incisor retraction;Lo;Am J Orthod,1982