?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=G.&rft.aulast=Giovacchini&rft.au=Giovacchini%2C+G.&rft.date=1999&rft.btitle=Proceedings+of+54th+Annual+convention+of+the+Society+of+Biological+Psychiatry&rft.issn=0006-3223&rft.title=Audiovisual+stimulation+(AS)+reveals+brain+metabolic+decline+in+healthy+aging&rft.genre=proceeding