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2. Differential diagnosis of Class II malocclusions;Moyers;Facial types associated with Class II malocclusions. Am J Orthod,1980
3. Patient cooperation in wearing orthodontic headgear;Clemmer;Am J Orthod,1979
4. Social and psychological motivations for orthodontic treatment;Dorsey;Am J Orthod,1977
5. Distalization of molars with repelling magnets;Gianelly;J Clin Orthod,1988