_:vb50942643 . _:vb50942643 . _:vb50942643 . _:vb50942643 "A Charcot-Marie-Tooth disease type 2 that has_material_basis_in heterozygous mutation in the NAGLU gene on chromosome 17q21."^^ . _:vb50942643 . _:vb50942643 "url:https://www.ncbi.nlm.nih.gov/pubmed/25818867"^^ . _:vb50942643 .