1. Abbé R (1898) A new relief operation for the relief of deformity due to double harelip. Med Rec (NY) 53:477–480
2. Axhausen G (1952) Technik und Ergebnisse der Spaltplastiken. Hanser, München
3. Boyne PJ (1985) Correction of dentofacial deformities associated with residual alveolar and palatal clefts. In: Bell WH (Hrsg) Surgical correction of dentofacial deformities, Bd 3/12. Saunders, Philadelphia, S 560–591
4. Boyne PJ, Sands NR (1972) Secondary bone grafting of residual alveolar and palatal defects. J Oral Surg 30:87–92
5. Breitspecher L, Fanghänel J, Noe A, Lockett E, Raab U (2002) The functional anatomy of mucles of facial expression with and without cleft lip palate. Ann Anat 184:27–34