We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleFamilial aggregation of Parkinson disease: a comparative study of early-onset and late-onset disease.AuthorsPayami H; Zareparsi S; James D; Nutt JPublicationArchives of neurology, 2002, Vol 59, Issue 5, p848ISSN0003-9942Publication typearticleDOI10.1001/archneur.59.5.848