AUTHOR=Freire Marco Aurelio M., Santos Jose Ronaldo TITLE=Parkinson's Disease: General Features, Effects of Levodopa Treatment and Future Directions JOURNAL=Frontiers in Neuroanatomy VOLUME=4 YEAR=2010 URL=https://www.frontiersin.org/journals/neuroanatomy/articles/10.3389/fnana.2010.00146 DOI=10.3389/fnana.2010.00146 ISSN=1662-5129