References
- Borden G. An Interpretation Of Research On Feedback Interruption In Speech. Brain And Language 1979; 1: 307–319
- Edwards M. Disorders Of Articulation. Springer-Verlag, New York 1984
- Erb D. P. Speech Effects Of The Maxillary Retainer. Angle Orthodontist 1967; 37: 298–303
- Feldman E. W. Speech Articulation Problems Associated With Placement Of Orthodontic-Appliances. Journal Of Speech And Hearing Disorders 1956; 21: 34–38
- Koyoumdjisky E. Speech Disorder Resulting From Orthodontic Treatment. Dental Practitioner 1962; 12: 165–166