We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe progression of cognitive impairment in dementia with Lewy bodies, vascular dementia and Alzheimer's disease.AuthorsBallard C; O'Brien J; Morris CM; Barber R; Swann A; Neill D; McKeith IPublicationInternational journal of geriatric psychiatry, 2001, Vol 16, Issue 5, p499ISSN0885-6230Publication typearticleDOI10.1002/gps.381