title: Invited commentary on "Structural and functional imaging in parkinsonian syndromes".
authors.affiliation: Departments of Radiology and Neurology, University of Michigan VA Ann Arbor Healthcare System Ann Arbor, Michigan.
authors.forename: Nicolaas I
authors.initials: NI
authors.lastname: Bohnen
authors.forename: Kirk A
authors.initials: KA
authors.lastname: Frey
mesh_terms: D006801:Humans; D020734:Parkinsonian Disorders / Q000175:diagnosis*