AUTHOR=Crippa José Alexandre , Bergamaschi Mateus TITLE=Why should Cannabis be Considered Doping in Sports? JOURNAL=Frontiers in Psychiatry VOLUME=4 YEAR=2013 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2013.00032 DOI=10.3389/fpsyt.2013.00032 ISSN=1664-0640