1. Probleme des Managements in der Kieferorthopädie.;Sergl;Zahndrztl Prax,1973
2. The prediction of patient cooperation in orthodontic treatment;Woolass;Eur J Orthod,1988
3. Relationship between medication compliance and medical outcomes;Cramer;Am J Health-Sys Pharm,1995
4. The Teachers Questionary-an instrument for the evaluation of psychological factors in orthodontic diagnosis;Herren;Trans Eur Orthod Soc,1965
5. Orthodontic cooperation;El-Mangoury;Am J Orthod,1981