RT Journal Article SR Electronic T1 Elderly male with progressive dysphagia and ataxia JF Neurosciences Journal JO Neurosciences (Riyadh) FD Prince Sultan Military Medical City SP 172 OP 173 VO 16 IS 2 A1 Al-Sheikh, Fahad YR 2011 UL http://nsj.org.sa/content/16/2/172.abstract AB