?url_ver=Z39.88-2004&rft_id=doi%3A10.1016%2FS0167-8760(98)90081-2&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Pietrini%2C+Pietro&rft.aufirst=Pietro&rft.aulast=Pietrini&rft.issn=0167-8760&rft.date=1998&rft.atitle=Gender+differences+in+brain+activation+during+aggressive+imageries%3A+A+pet+study&rft.title=International+Journal+of+Psychophysiology&rft.issue=1-2&rft.pages=33&rft.volume=30&rft.genre=article