_:vb50937978 . _:vb50937978 . _:vb50937978 "A neurodegenerative disease that is characterized by slowly progressive incoordination of gait and often associated with poor coordination of hands, speech, and eye movements."^^ . _:vb50937978 . _:vb50937978 . _:vb50937978 "url:http://www.ncbi.nlm.nih.gov/books/NBK1138"^^ . _:vb50937978 .