?url_ver=Z39.88-2004&rft_id=10.1176%2Fappi.ajp.159.5.738&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Gene+E.&rft.aulast=Alexander&rft.au=Alexander%2C+Gene+E.&rft.title=American+Journal+of+Psychiatry&rft.issn=0002-953X&rft.issue=5&rft.date=2002&rft.atitle=Longitudinal+PET+evaluation+of+cerebral+metabolic+decline+in+dementia%3A+A+potential+outcome+measure+in+Alzheimer's+disease+treatment+studies&rft.volume=159&rft.pages=738-745&rft.genre=article