%0 Journal Article %T Cognitive decline in the elderly: an analysis of population heterogeneity %A Hayden, Kathleen M. %A Reed, Bruce R. %A Manly, Jennifer J. %A Tommet, Douglas %A Pietrzak, Robert H. %A Chelune, Gordon J. %A Yang, Frances M. %A Revell, Andrew J. %A Bennett, David A. %A Jones, Richard N. %J Age and Ageing %V 40 %N 6 %P 684-689 %@ 0002-0729 %D 2011-11-02 %I Oxford University Press %~ DeepDyve