1. Phase I treatment;Nelson;Am J Orthod Dentofac Orthop,1997
2. The limitations of orthodontic treatment. I. Mixed dentition diagnosis and treatment;Nance;Am J Orthod,1947
3. Crowding: timing of treatment;Gianelly;Angle Orthod,1994
4. Leeway space and the resolution of crowding in the mixed dentition;Gianelly;Semin Orthod,1995
5. One-phase versus two-phase treatment;Gianelly;Am J Orthod Dentofac Orthop,1995