1. Soft tissue cephalometric analysis for orthognathic surgery;Legan;J Oral Surg,1980
2. Reflexions sur le profil et al croissance tegumentaire;Nanda;l'Orthodontie Francaise,1991
3. Soft-tissue profile—fallacies of hard-tissue standards in treatment planning;Park;Am J Orthod Dentofac Orthop,1986
4. The soft tissue profile, growth, and treatment changes;Subtelny;Angle Orthod,1961
5. The integumental profile;Burstone;Am J Orthod,1958