AUTHOR=Ohara Shinya , Inoue Ken-ichi , Witter Menno P., Iijima Toshio TITLE=Untangling neural networks with dual retrograde transsynaptic viral infection JOURNAL=Frontiers in Neuroscience VOLUME=3 YEAR=2009 URL=https://www.frontiersin.org/journals/neuroscience/articles/10.3389/neuro.01.032.2009 DOI=10.3389/neuro.01.032.2009 ISSN=1662-453X