9Don LR. The state of the art in cleft palate surgery. Cleft Palate Craniofac J, 2000,37: 225-228.
10Peter DW. Cleft lip and cleft palate. In: Kelth TO, Paul MC, Robert PF. Surgery of infants and children. Philadelphia: Lippincott-Raven Pulishers, 1997. 815-844.