?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Yates%2C+LA&rft.aulast=Yates&rft.aufirst=LA&rft.pages=1791-1806&rft.volume=28&rft.atitle=Cognitive+leisure+activities+and+future+risk+of+cognitive+impairment+and+dementia%3A+systematic+review+and+meta-analysis&rft.title=International+Psychogeriatrics&rft.issue=11&rft.date=November+2016&rft.issn=1741-203X&rft.genre=article