?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Pietrini&rft.aufirst=Pietro&rft.au=Pietrini%2C+Pietro&rft.atitle=Association+between+brain+functional+failure+and+dementia+severity+in+Alzheimer%E2%80%99s+disease%3A+resting+versus+stimulation+PET+study&rft.title=American+Journal+of+Psychiatry&rft.date=March+1999&rft.volume=56&rft.issue=3&rft.pages=470-473&rft.issn=0002-953X&rft.genre=article