Authors: Mark Snowden; Lesley Steinman; Kara Mochan; Francine Grodstein; Thomas R Prohaska; David J Thurman; David R Brown; James N Laditka; Jesus Soares; Damita J Zweiback; Deborah Little; Lynda A Anderson Journal: J Am Geriatr Soc Date: 2011-03-25 Impact factor: 5.562