References
- Berkowitz S. Cleft palate and the face in which it exists. Cleft craft. The evolution of its surgery. Vol III. Alveolar and palatal deformities., R. Millard. Little, Brown & Co, Boston 1980; 81–120
- Pruzansky S. Factors determining arch form in cleft of the lip and palate. Am J Orthod 1955; 41: 827–851