Riverol M, Becker JT, Lopez OL, Raji CA, Thompson PM, Carmichael OT, H Gach M, Longstreth WT, Fried L, Tracy RP, et al. Relationship between Systemic and Cerebral Vascular Disease and Brain Structure Integrity in Normal Elderly Individuals. J Alzheimers Dis. 2015 ;44(1):319-28.