1. Psychological and sociopsychological significance of malocclusion;Fisk;J. Can. Dent. Assoc.,1963
2. Rating the characteristics of malocclusion; a systematic approach for treatment planning;Proffit;Am. J. Orthod.,1973
3. Social psychological factors associated with malocclusion;Cohen;Int. Dent. J.,1970
4. Psychological issues pertaining to malocclusion;Stricker;Am. J. Orthod.,1970
5. The teacher's questionary—an instrument for the evaluation of psychological factors in orthodontic diagnosis;Herran,1965