?url_ver=Z39.88-2004&rft_id=doi%3A10.1038%2Fsrep39471&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Maffei%2C+L.&rft.aulast=Maffei&rft.aufirst=L.&rft.issn=2045-2322&rft.atitle=Randomized+trial+on+the+effects+of+a+combined+physical%2Fcognitive+training+in+aged+MCI+subjects%3A+the+Train+the+Brain+study&rft.title=Scientific+Reports&rft.date=2017&rft.volume=7&rft.pages=39471&rft.genre=article