AUTHOR=Palhares Rafael M. , Baratto Leopoldo C. , Scopel Marina , Mügge Fernanda. L. B. , Brandão Maria G. L. TITLE=Medicinal Plants and Herbal Products From Brazil: How Can We Improve Quality? JOURNAL=Frontiers in Pharmacology VOLUME=11 YEAR=2021 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2020.606623 DOI=10.3389/fphar.2020.606623 ISSN=1663-9812