1. Sociological and psychological factors associated with hearing loss. J. Speech Hear Res;M Vernon,1969
2. Usher syndrome in the city of Birmingham-prevalence and clinical classification. Br;CI Hope;J. Ophthalmol,1997
3. Gene mapping of Usher syndrome type IIa: localization of the gene to a 2.1–cM segment on chromosome 1q41. Am J Human Genet;WJ Kimberling,1995
4. Epidemiology of Usher syndrome in Valencia and Spain. Community Genet;C Espinos,1998
5. The heterogeneity of Usher Syndrome. Amsterdam Excerpta Media Foundation. International Congress ser abstr;SLH Davenport,1977