2Millard D. R. Unilateral cleft lip deformity. In: Mccarthy J. G. Plastic Surgery. New York: W. B, Saunders Co, 1990: 2634 ～ 2639
3Byrd H. Steve. Unilateral cleft lip. In: Aston. S. J. Beasley. R. W, and Thome. C. H. M. Grabb and Smith, s Plastic Surgery, Fifth Edition.Philadelphia: Lippincott- Raven Publishers, 1997: 250- 251
5Morselli Paolo G:The anchor of the nasal ala in cleft lip-nose patients:a morphological description and a new surgical approach. Cleft Palate Craniofac J, 2000,37:130- 136
6Maull deirdre J,Grayson Barry H,Cutting Court B, et al. Longterm effects of nasoalveolar molding on three- dimensional nasal shape in unilateral clefts. Cleft Palate Craniofac J, 1999,36: 391-397
