AUTHOR=Amaral André F. TITLE=Pesticides and Asthma: Challenges for Epidemiology JOURNAL=Frontiers in Public Health VOLUME=2 YEAR=2014 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2014.00006 DOI=10.3389/fpubh.2014.00006 ISSN=2296-2565