1. Kenneth LJ. Recognizable patterns of human malformation. 5th ed. Philadelphia: WB Saunders; 1997. p. 240–1.
2. Frontonasal dysplasia: analysis of 21 cases and literature review
3. Gorlin RJ, Cohen MM, Raoul CM. Syndromes of the head and neck. 4th ed. New York, NY: Oxford University Press; 2001. p. 707–9, 977–81.
4. Development of the Facial Midline
5. Posnick JC. Craniofacial and maxillofacial surgery in children and young adults. 1st ed. Philadelphia: WB Saunders; 2000. p. 469–86.