1. Vertical growth versus anteroposterior growth as related to function and treatment;Schudy;Am J Orthod,1964
2. The influence of extraoral traction;Poulton;Am J Orthod,1967
3. Some effects of mandibular growth on the dental occlusion and profile;Issacson;Angle Orthod,1977
4. Prospectives in orthodontic stability.;Nanda,1993
5. A review of retention problems;Riedel;Angle Orthod,1960