0 Knight, D.C. Nguyen, H.T. Bandettini, P.A. 2006 The role of awareness in delay and trace fear conditioning in humans Cognitive, Affective and Behavioral Neuroscience 6 2 157 - 162 FIM Export Date: 19 September 2007Source: Scopus http://www.scopus.com/scopus/inward/record.url?eid=2-s2.0-33748451366&partnerID=40&rel=R6.5.0