RT Journal Article SR Electronic T1 Progressive dysphagia due to adult Chiari I malformation mimicking amyotrophic lateral sclerosis. JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP 357 OP 358 DO 10.1136/jnnp.60.3.357 VO 60 IS 3 A1 M Ikusaka A1 M Iwata A1 S Sasaki A1 S Uchiyama YR 1996 UL http://jnnp.bmj.com/content/60/3/357.abstract AB