title: [Transcranial Ultrasonography: a new tool in the diagnosis of Parkinson's disease].
authors.forename: Marcelo
authors.initials: M
authors.lastname: Miranda C
mesh_terms: D003863:Depression; D003937:Diagnosis, Differential; D042241:Early Diagnosis; D006801:Humans; D010300:Parkinson Disease / Q000000981:diagnostic imaging* / Q000523:psychology; D012680:Sensitivity and Specificity; D013378:Substantia Nigra / Q000000981:diagnostic imaging; D017585:Ultrasonography, Doppler, Transcranial