title: Distinguishing early-onset PD from dopa-responsive dystonia with transcranial sonography.
authors.affiliation: Department of Neurology, University of Lübeck, Ratzeburger Allee 160; D-23538 Lübeck, Germany. johann.hagenah@neuro.uni-luebeck.de
authors.forename: J M
authors.initials: JM
authors.lastname: Hagenah
authors.forename: K
authors.initials: K
authors.lastname: Hedrich
authors.forename: B
authors.initials: B
authors.lastname: Becker
authors.forename: P P
authors.initials: PP
authors.lastname: Pramstaller
authors.forename: G
authors.initials: G
authors.lastname: Seidel
authors.forename: C
authors.initials: C
authors.lastname: Klein
mesh_terms: D000328:Adult; D017668:Age of Onset; D000978:Antiparkinson Agents / Q000627:therapeutic use; D003937:Diagnosis, Differential; D004421:Dystonia / Q000000981:diagnostic imaging* / Q000188:drug therapy*; D005260:Female; D006801:Humans; D066298:In Vitro Techniques; D007980:Levodopa / Q000627:therapeutic use*; D008875:Middle Aged; D010300:Parkinson Disease / Q000000981:diagnostic imaging* / Q000188:drug therapy*; D015203:Reproducibility of Results; D012680:Sensitivity and Specificity; D017585:Ultrasonography, Doppler, Transcranial / Q000379:methods*
chemical_list: D000978:Antiparkinson Agents; D007980:Levodopa