updated 4/4/00
Chung CS, Robinson OW, Morton NE: A note on deaf mutism. Ann Hum Genet 23:357-366 (1959)
Fraser GR: The causes of profound deafness in Childhood. Baltimore: Johns Hopkins University Press (1976)
Morton ME: Genetic epidemiology of hearing impairment.
Ann New York Acad Sci 630:16-31 (1991)