RT Journal Article SR Electronic T1 Epidemiology and risk factors of dementia JF Journal of Neurology, Neurosurgery & Psychiatry JO J Neurol Neurosurg Psychiatry FD BMJ Publishing Group Ltd SP v2 OP v7 DO 10.1136/jnnp.2005.082867 VO 76 IS suppl 5 A1 van der Flier, W M A1 Scheltens, P YR 2005 UL http://jnnp.bmj.com/content/76/suppl_5/v2.abstract AB