AUTHOR=Jiang Yale , Huang Huiyao , Zhao Guo , Ma Peiwen , Zhang Liang , Wang Shuhang , Li Ning TITLE=Seven-year exclusivity and beyond for drugs of rare diseases in China JOURNAL=Frontiers in Pharmacology VOLUME=14 YEAR=2023 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2023.1223056 DOI=10.3389/fphar.2023.1223056 ISSN=1663-9812