"X-linked deafness 6"^^ . "disease_ontology"^^ . . "An X-linked nonsyndromic deafness characterized by severe bilateral sensorineural hearing loss with cochlear malformation in males and mild to moderate hearing loss in females with later onset that has_material_basis_in mutation in COL4A6 on chromosome Xq22.3."^^ . . "OMIM:300914"^^ . . "DFNX6"^^ . "DOID:0111740"^^ .