We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleMeta-analysis of early nonmotor features and risk factors for Parkinson disease.AuthorsNoyce, Alastair J; Bestwick, Jonathan P; Silveira-Moriyama, Laura; Hawkes, Christopher H; Giovannoni, Gavin; Lees, Andrew J; Schrag, AnetteAbstractTo evaluate the association between diagnosis of Parkinson disease (PD) and risk factors or early symptoms amenable to population-based screening.PublicationAnnals of neurology, 2012, Vol 72, Issue 6, p893ISSN1531-8249Publication typeJournal ArticleDOI10.1002/ana.23687