Mapping and Deciphering Neural Codes of NMDA Receptor-Dependent Fear Memory Engrams in the Hippocampus Zhang, Hongmiao ; Chen, Guifen ; Kuang, Hui ; Tsien, Joe Z. Abstract Publication: PLoS ONE Pub Date: November 2013 DOI: 10.1371/journal.pone.0079454 Bibcode: 2013PLoSO...879454Z