AUTHOR=Hernandez-Lemus Enrique TITLE=Extrasynaptic Release of Serotonin Affects the Social Dynamics of Leeches JOURNAL=Frontiers in Physiology VOLUME=3 YEAR=2012 URL=https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2012.00158 DOI=10.3389/fphys.2012.00158 ISSN=1664-042X