We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThe heritability of level and rate-of-change in cognitive functioning in Danish twins aged 70 years and older.AuthorsMcGue M; Christensen KPublicationExperimental aging research, 2002, Vol 28, Issue 4, p435ISSN0361-073xPublication typearticleDOI10.1080/03610730290080416