Otterstedde CR, Spandau U, Blankenagel A, Kimberling WJ, Reisser C (2001). "A new clinical classification for Usher's syndrome based on a new subtype of Usher's syndrome type I". Laryngoscope. 111 (1): 84–86. doi:10.1097/00005537-200101000-00014. PMID11192904. S2CID41124463.
Pakarinen L, Tuppurainen K, Laipapala P, Mäntyjärvi M, Puhakka H (1996). "The ophthalmological course of Usher syndrome type III". International Ophthalmology. 19 (5): 307–311. doi:10.1007/BF00130927. PMID8864816. S2CID26501078.
Sadeghi, Mehdi; Cohn, Edward S.; Kelly, William J.; Kimberling, William J.; Tranebjoerg, Lisbeth; Möller, Claes (2004). "Audiological findings in Usher syndrome types IIa and II (non-IIa)". International Journal of Audiology. 43 (3): 136–143. doi:10.1080/14992020400050019. PMID15198377. S2CID40248505.
Smith RJ, Berlin CI, Hejtmancik JF, Keats BJ, Kimberling WJ, Lewis RA, et al. (1994). "Clinical diagnosis of the Usher syndromes. Usher Syndrome Consortium". American Journal of Medical Genetics. 50 (1): 32–38. doi:10.1002/ajmg.1320500107. PMID8160750.
Fishman GA, Kumar A, Joseph ME, Torok N, Andersonj RJ (1983). "Usher's syndrome: ophthalmic and neuro-otologic findings suggesting genetic heterogeneity". Archives of Ophthalmology. 101 (9): 1367–1374. doi:10.1001/archopht.1983.01040020369005. PMID6604514.
Vernon M (1969). "Usher's syndrome — deafness and progressive blindness. Clinical cases, prevention, theory and literature survey". Journal of Chronic Diseases. 22 (3): 133–151. doi:10.1016/0021-9681(69)90055-1. PMID4897966.
Boughman J, Vernon M, Shaver K (1983). "Usher syndrome: Definition and estimate of prevalence from two high-risk populations". Journal of Chronic Diseases. 36 (8): 595–603. doi:10.1016/0021-9681(83)90147-9. PMID6885960.
Otterstedde CR, Spandau U, Blankenagel A, Kimberling WJ, Reisser C (2001). "A new clinical classification for Usher's syndrome based on a new subtype of Usher's syndrome type I". Laryngoscope. 111 (1): 84–86. doi:10.1097/00005537-200101000-00014. PMID11192904. S2CID41124463.
Pakarinen L, Tuppurainen K, Laipapala P, Mäntyjärvi M, Puhakka H (1996). "The ophthalmological course of Usher syndrome type III". International Ophthalmology. 19 (5): 307–311. doi:10.1007/BF00130927. PMID8864816. S2CID26501078.
Sadeghi, Mehdi; Cohn, Edward S.; Kelly, William J.; Kimberling, William J.; Tranebjoerg, Lisbeth; Möller, Claes (2004). "Audiological findings in Usher syndrome types IIa and II (non-IIa)". International Journal of Audiology. 43 (3): 136–143. doi:10.1080/14992020400050019. PMID15198377. S2CID40248505.
Smith RJ, Berlin CI, Hejtmancik JF, Keats BJ, Kimberling WJ, Lewis RA, et al. (1994). "Clinical diagnosis of the Usher syndromes. Usher Syndrome Consortium". American Journal of Medical Genetics. 50 (1): 32–38. doi:10.1002/ajmg.1320500107. PMID8160750.
Fishman GA, Kumar A, Joseph ME, Torok N, Andersonj RJ (1983). "Usher's syndrome: ophthalmic and neuro-otologic findings suggesting genetic heterogeneity". Archives of Ophthalmology. 101 (9): 1367–1374. doi:10.1001/archopht.1983.01040020369005. PMID6604514.
Vernon M (1969). "Usher's syndrome — deafness and progressive blindness. Clinical cases, prevention, theory and literature survey". Journal of Chronic Diseases. 22 (3): 133–151. doi:10.1016/0021-9681(69)90055-1. PMID4897966.
Boughman J, Vernon M, Shaver K (1983). "Usher syndrome: Definition and estimate of prevalence from two high-risk populations". Journal of Chronic Diseases. 36 (8): 595–603. doi:10.1016/0021-9681(83)90147-9. PMID6885960.
Otterstedde CR, Spandau U, Blankenagel A, Kimberling WJ, Reisser C (2001). "A new clinical classification for Usher's syndrome based on a new subtype of Usher's syndrome type I". Laryngoscope. 111 (1): 84–86. doi:10.1097/00005537-200101000-00014. PMID11192904. S2CID41124463.
Pakarinen L, Tuppurainen K, Laipapala P, Mäntyjärvi M, Puhakka H (1996). "The ophthalmological course of Usher syndrome type III". International Ophthalmology. 19 (5): 307–311. doi:10.1007/BF00130927. PMID8864816. S2CID26501078.
Sadeghi, Mehdi; Cohn, Edward S.; Kelly, William J.; Kimberling, William J.; Tranebjoerg, Lisbeth; Möller, Claes (2004). "Audiological findings in Usher syndrome types IIa and II (non-IIa)". International Journal of Audiology. 43 (3): 136–143. doi:10.1080/14992020400050019. PMID15198377. S2CID40248505.