1. 1) Renner, G.: Reconstruction of the lip. Baker, S.R., et al.; Local Flaps in Faciai Reconstruction, Mosby, St. Luis, 1995, 345-396.
2. 2) Galyon, S.W., Frodel, J.L.: Lip and perioral defects. Otolaryngol Clin North Am 34:647-666, 2001.
3. 3) Ishii, L.E., Byrne, P.J.: Lip reconstruction. Facial Plast Surg Clin North Am 17:445-453, 1968.
4. 4) Abbe, R.: A new plastic operation for the relief of deformity due to double harelip. Plast Reconstr Sure 42:481-483, 1968.
5. 5) Estlander, J.A.: A method of reconstructing loss of substance in one lip from the other lip. Plast Reconstr Sure 42:361-366, 1968.