AUTHOR=Luis Paula B. , Schneider Claus TITLE=Large variability in the alkaloid content of Corydalis yanhusuo dietary supplements JOURNAL=Frontiers in Pharmacology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2024.1518750 DOI=10.3389/fphar.2024.1518750 ISSN=1663-9812