?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Gene+E.&rft.au=Alexander%2C+Gene+E.&rft.aulast=Alexander&rft.atitle=Relation+of+age+and+apolipoprotein+E+to+cognitive+function+in+Down+syndrome+adults&rft.title=Neuroreport&rft.issue=8&rft.volume=8&rft.date=1997&rft.pages=1835-1840&rft.issn=0959-4965&rft.genre=article