@Article{lang2009,
  author =          {Lang, Simone},
  author =          {Kroll, Alexander},
  author =          {Lipinski, Slawomira J},
  author =          {Wessa, Michèle},
  author =          {Ridder, Stephanie},
  author =          {Christmann, Christoph},
  author =          {Schad, Lothar R},
  author =          {Flor, Herta},
  title =           {Context conditioning and extinction in humans: differential contribution of the hippocampus, amygdala and prefrontal cortex.},
  journal =         {Eur J Neurosci},
  year =            {2009},
  volume =          {29},
  pages =           {823-832},
  number =          {4},
  month =           {Feb},
  institution =     {Department of Clinical and Cognitive Neuroscience, Central Institute of Mental Health, University of Heidelberg, Mannheim, Germany.}}