1. McKusick, V.A. Mendelian Inheritance in Man 11th edn.(The Johns Hopkins University Press, Baltimore, 1994).
2. Graber, L.W. Congenital absence of teeth: a review with emphasis on inheritance patterns. J. Am. Dent Assoc. 96, 266–275 (1978).
3. Gorlin, R., Cohen, M. & Levin, L. Syndromes of the Head and Neck. (Oxford University Press, New York, 1990).
4. Burzynski, N.J. & Escobar, V.H. Classification and genetics of numeric anomalies of dentition. Birth Defects. 19, 95–106 (1983).
5. Symons, A.L., Stritzel, F. & Stamatiou, J. Anomalies associated with hypodontia of the permanent lateral incisor and second premolar. J. Clin. Pediat. Dent. 17, 109–111 (1993).