Case records of the Massachusetts General Hospital. Case 22-2006--a 77-year-old man with a rapidly progressive gait disorder.
O'Neill GN, Gonzalez RG, Cros DP, Ackerman RH, Brown RH, Stemmer-Rachamimov A. Case records of the Massachusetts General Hospital. Case 22-2006--a 77-year-old man with a rapidly progressive gait disorder. N Engl J Med. 2006 Jul 20; 355(3):296-304.