AUTHOR=Liang Shenbao , Cai Fanxian TITLE=Off-label drug use in China after the Physician Law (2021): legal challenges and solutions JOURNAL=Frontiers in Pharmacology VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2025.1547418 DOI=10.3389/fphar.2025.1547418 ISSN=1663-9812