Sachdev, Perminder S Dementia prevention: the discordance between observational and intervention studies and the search for more evidence. [electronic resource] - Early intervention in psychiatry Feb 2009 - 80-2 p. digital Publication Type: Comment; Journal Article ISSN: 1751-7893 Standard No.: 10.1111/j.1751-7893.2008.00109.x doi Subjects--Topical Terms: Cognition Disorders--diagnosisDementia--diagnosisHumansRisk Factors