Late-onset sporadic ataxia, pontine lesion, and retroperitoneal fibrosis: a case of Erdheim-Chester disease.
Salsano E, Savoiardo M, Nappini S, Maderna E, Pollo B, Chinaglia D, Guerra U, Finocchiaro G, Pareyson D. Neurol Sci. 2008 Sep; 29(4):263-7. Epub 2008 Sep 20.