1. Compliance in health care;Haynes,1979
2. Current orthodontic concepts and techniques;Graber,1975
3. Force or persuasion;Kloehn;Angle Orthod,1953
4. Patient cooperation in orthodontic treatment;Kreit;J Am Coll Dent,1968
5. Cooperation of adolescents in orthodontic treatment;Albino;J Behav Med,1991