_:vb50940210 . _:vb50940210 . _:vb50940210 . _:vb50940210 . _:vb50940210 "url:http://en.wikipedia.org/wiki/Human_skeleton"^^ . _:vb50940210 "A bone disease that has_material_basis_in an abnormality in the location or function of the skeletal structure."^^ . _:vb50940210 .