?url_ver=Z39.88-2004&rft_id=doi%3A10.1176%2Fappi.ajp.159.5.738&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Alexander%2C+Gene+E.&rft.aufirst=Gene+E.&rft.aulast=Alexander&rft.atitle=Longitudinal+PET+Evaluation+of+Cerebral+Metabolic+Decline+in+Dementia%3A+A+Potential+Outcome+Measure+in+Alzheimer%E2%80%99s+Disease+Treatment+Studies&rft.title=American+Journal+of+Psychiatry&rft.date=2002&rft.volume=159&rft.issue=5&rft.pages=738-745&rft.issn=0002-953X&rft.genre=article