title: [Echogenicity of the substantia nigra in Parkinson's disease: its relation to clinical findings].
authors.affiliation: Department of Neurology, Wakayama Medical University, Japan.
authors.forename: Hideto
authors.initials: H
authors.lastname: Miwa
authors.forename: Masae
authors.initials: M
authors.lastname: Okawa
authors.forename: Tomoyoshi
authors.initials: T
authors.lastname: Kondo
mesh_terms: D042241:Early Diagnosis; D006801:Humans; D010300:Parkinson Disease / Q000000981:diagnostic imaging*; D013378:Substantia Nigra / Q000000981:diagnostic imaging*; D018615:Ultrasonography, Doppler, Color