?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Crutch%2C+SJ&rft.aufirst=SJ&rft.aulast=Crutch&rft.pages=170+-+178&rft.issn=1474-4422&rft.atitle=Posterior+cortical+atrophy.&rft.title=Lancet+Neurology&rft.date=February+2012&rft.issue=2&rft.volume=11&rft.genre=article