AUTHOR=Rohman Abdul , Indrayanto Gunawan , Ingkaninan Kornkanok TITLE=Editorial: Development, assessment, improvement, and standardization of methods in herbal drug research JOURNAL=Frontiers in Pharmacology VOLUME=13 YEAR=2022 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2022.1071194 DOI=10.3389/fphar.2022.1071194 ISSN=1663-9812