1. Craniofacial morphology in congenital clefts of the lip and palate;Dahl;Acta Odontol. Scand.,1970
2. Morphology of the adult face after repair of isolated cleft palate in childhood;Farkas;Cleft Palate J.,1972
3. Surgical and orthodontic treatment of cleft lip and palate in Denmark;Fogh-Andersen,1964
4. A cephalometric analysis of cleft palate deformities in the middle third of the face;Levin;Angle Orthod.,1963