title: Retraction. Young-onset Parkinson's disease: hospital utilization and medical comorbidity in a nationwide survey.
authors: Elan D
authors: ED
authors: Louis
authors: Claire
authors: C
authors: Henchcliffe
authors: Brian T
authors: BT
authors: Bateman
authors: H Christian
authors: HC
authors: Schumacher
mesh_terms: D012180:Retraction of Publication as Topic