title: Nonmotor symptoms in patients without evidence of dopaminergic deficit.
authors.affiliation: Department of Neurology, Institute of Neurological Sciences, Queen Elizabeth University Hospital, Glasgow, UK.
authors.forename: Diane M A
authors.initials: DM
authors.lastname: Swallow
authors.affiliation: Department of Neurology, Institute of Neurological Sciences, Queen Elizabeth University Hospital, Glasgow, UK.
authors.forename: Katherine A
authors.initials: KA
authors.lastname: Grosset
authors.affiliation: Department of Neurology, Institute of Neurological Sciences, Queen Elizabeth University Hospital, Glasgow, UK.
authors.forename: Donald G
authors.initials: DG
authors.lastname: Grosset
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D010300:Parkinson Disease / Q000503:physiopathology*