1. M. Abe, A study on chronological changes of the upper dental arch in cases of unilateral cleft lip and palate after labioplasty [in Japanese with English abstract]., Jpn J Oral Maxillofac Surg, 1974 .20 :248 –267 .
2. S. Berkowitz, J. Krischer, and S. Pruzansky .Quantitative analysis of the cleft palate casts—a geometric study., Cleft Plate J, 1974 .11 :134 –161 .
3. S. E. Bishara, The influence of palatoplasty and cleft length on facial development., Cleft Palate J, 1973 .10 :390 –398 .
4. T. B. Coupe, and J. D. Subtelny .Cleft palate deficiency or displacement of tissue., Plast Reconstr Surg, 1960 .26 :600 –612 .
5. E. Dahl, Craniofacial morphology in congenital cleft lip and palate. An X-ray cephalometric study of young adult males., Acta Odontol Scand, 1970 .28 :(suppl 57).1 –137 .