Fluorescence-Based Monitoring of In Vivo Neural Activity Using a Circuit-Tracing Pseudorabies Virus Granstedt, Andrea E. ; Szpara, Moriah L. ; Kuhn, Bernd ; Wang, Samuel S. -H. ; Enquist, Lynn W. Abstract Publication: PLoS ONE Pub Date: September 2009 DOI: 10.1371/journal.pone.0006923 Bibcode: 2009PLoSO...4.6923G