title: Substantia nigra hypoechogenicity in Friedreich ataxia.
authors.forename: Heike
authors.initials: H
authors.lastname: Stockner
authors.forename: Martin
authors.initials: M
authors.lastname: Sojer
authors.forename: Sascha
authors.initials: S
authors.lastname: Hering
authors.forename: Wolfgang
authors.initials: W
authors.lastname: Nachbauer
authors.forename: Klaus
authors.initials: K
authors.lastname: Seppi
authors.forename: Christoph
authors.initials: C
authors.lastname: Schmidauer
authors.forename: Werner
authors.initials: W
authors.lastname: Poewe
authors.forename: Sylvia M
authors.initials: SM
authors.lastname: Boesch
mesh_terms: D000328:Adult; D005260:Female; D005621:Friedreich Ataxia / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013378:Substantia Nigra / Q000000981:diagnostic imaging*; D017585:Ultrasonography, Doppler, Transcranial; D055815:Young Adult