AUTHOR=Arellano Jon I., Benavides-Piccione Ruth , DeFelipe Javier , Yuste Rafael TITLE=Ultrastructure of dendritic spines: correlation between synaptic and spine morphologies JOURNAL=Frontiers in Neuroscience VOLUME=1 YEAR=2007 URL=https://www.frontiersin.org/journals/neuroscience/articles/10.3389/neuro.01.1.1.010.2007 DOI=10.3389/neuro.01.1.1.010.2007 ISSN=1662-453X