AUTHOR=Tremblay Marie-Ève TITLE=A Diversity of Cell Types, Subtypes and Phenotypes in the Central Nervous System: The Importance of Studying Their Complex Relationships JOURNAL=Frontiers in Cellular Neuroscience VOLUME=14 YEAR=2020 URL=https://www.frontiersin.org/journals/cellular-neuroscience/articles/10.3389/fncel.2020.628347 DOI=10.3389/fncel.2020.628347 ISSN=1662-5102