Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleSubstantia nigra hypoechogenicity in friedreich ataxia.AuthorsStockner, Heike; Sojer, Martin; Hering, Sascha; Nachbauer, Wolfgang; Seppi, Klaus; Schmidauer, Christoph; Poewe, Werner; Boesch, Sylvia M.PublicationMovement Disorders, 2012, Vol 27, Issue 2, p332ISSN0885-3185Publication typeArticleDOI10.1002/mds.23989