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2. Components of Class II malocclusions in children 8-10 years of age;McNamara;Angle Orthod,1981
3. Guiding alveolar growth and eruption of teeth to reduce treatment time and produce a more balanced denture and face;Kloehn;Angle Orthod,1947
4. Physiologic recovery after cervical traction therapy;Wieslander;Am J Orthod,1974
5. Contemporary Orthodontics;Proffit,1999