We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleHeterogeneity of Parkinson's disease in the early clinical stages using a data driven approachAuthorsLewis, S J GPublicationJournal of Neurology, Neurosurgery & Psychiatry, 2005, Vol 76, Issue 3, p343ISSN0022-3050Publication typearticleDOI10.1136/jnnp.2003.033530