?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.neuropharm.2011.07.004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Johnson%2C+Luke&rft.aulast=Johnson&rft.aufirst=Luke&rft.title=Neuropharmacology&rft.issn=0028-3908&rft.volume=62&rft.atitle=Pavlovian+fear+memory+circuits+and+phenotype+models+of+PTSD&rft.date=2012&rft.issue=2&rft.genre=article