_:vb50938022 "url:https://www.omim.org/entry/613855"^^ . _:vb50938022 . _:vb50938022 "An episodic ataxia that is characterized by dysarthria and vertigo, develops in early childhood, and has_material_basis_in autosomal dominant inheritance of mutation in the CACNB4 gene."^^ . _:vb50938022 . _:vb50938022 . _:vb50938022 . _:vb50938022 .