RT Journal Article SR Electronic T1 Brain Structural Variability due to Aging and Gender in Cognitively Healthy Elders: Results from the São Paulo Ageing and Health Study JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology DO 10.3174/ajnr.A1727 A1 P.K. Curiati A1 J.H. Tamashiro A1 P. Squarzoni A1 F.L.S. Duran A1 L.C. Santos A1 M. Wajngarten A1 C.C. Leite A1 H. Vallada A1 P.R. Menezes A1 M. Scazufca A1 G.F. Busatto A1 T.C.T.F. Alves YR 2009 UL http://www.ajnr.org/content/early/2009/08/06/ajnr.A1727.abstract AB