High, usual and impaired functioning in community-dwelling older men and women: Findings from the MacArthur Foundation Research Network on successful aging

Authors: Lisa Berkman, Teresa E. Seeman, Marilyn Albert, Dan G. Blazer, Robert L. Kahn, Richard C. Mohs, Caleb E. Finch, Edward L. Schneider, Carl W. Cotman, Gerald E. McClearn, John R. Nesselroade, David L. Featherman, Norman Garmezy, Guy M. McKhann, Gilbert Brim, Denis J. Prager, John W. Rowe - Journal of Clinical Epidemiology 1993 cited by 509