AUTHOR=Ullah Riaz , Rehman Najeeb Ur , Jamshidi-Adegani Fatemeh , Bari Ahmed TITLE=Editorial: Medicinal Plants and Marine-Derived Natural Products as Cancer Chemopreventive Agents JOURNAL=Frontiers in Pharmacology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2022.900275 DOI=10.3389/fphar.2022.900275 ISSN=1663-9812