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3. Growth characteristics of the premaxilla and orthodontic treatment principles in bilateral cleft lip and palate;Vargervik;Cleft Palate J,1983
4. Craniofacial morphology in adults with bilateral complete cleft lip and palate;Smahel;Cleft Palate J,1984
5. Craniofacial growth in bilateral cleft lip and palate: ages six to adulthood;Trotman;Cleft Palate Craniofac J,1993