?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Hensel&rft.au=Hensel%2C+A&rft.aufirst=A&rft.date=July+2020&rft.atitle=Challenges+at+the+Time+of+COVID-19%3A+Opportunities+and+Innovations+in+Antivirals+from+Nature&rft.volume=86&rft.pages=659-664&rft.title=Planta+Medica&rft.issue=10&rft.genre=article