title: Substantia nigra hyperechogenicity in Parkinson's disease.
authors.forename: Edson
authors.initials: E
authors.lastname: Bor-Seng-Shu
authors.forename: Erich Talamoni
authors.initials: ET
authors.lastname: Fonoff
authors.forename: Egberto Reis
authors.initials: ER
authors.lastname: Barbosa
authors.forename: Manoel Jacobsen
authors.initials: MJ
authors.lastname: Teixeira
mesh_terms: D006801:Humans; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000175:diagnosis / Q000000981:diagnostic imaging*; D020734:Parkinsonian Disorders / Q000175:diagnosis / Q000000981:diagnostic imaging; D013378:Substantia Nigra / Q000000981:diagnostic imaging*; D017585:Ultrasonography, Doppler, Transcranial / Q000379:methods*