_:vb50944795 "An essential tremor that has_material_basis_in variation in a region on chromosome 6p23."^^ . _:vb50944795 . _:vb50944795 . _:vb50944795 "url:https://www.ncbi.nlm.nih.gov/pubmed/16702189"^^ . _:vb50944795 . _:vb50944795 . _:vb50944795 .