Seeman, T. E., Miller-Martinez, D. M., Merkin, S. S., Lachman, M. E., Tun, P. A., & Karlamangla, A. S. (2011). Histories of social engagement and adult cognition: Midlife in the US study. The Journals of Gerontology Series B: Psychological Sciences and Social Sciences, 66 (suppl. 1), i141–i152.
