AUTHOR=Zhang Shipeng , Dong Tianyi , Xian Jiawen , Xiao Xinyue , Yuan Jiaqing , Zeng Tong , Deng Kuan , Fu Rui , Wang Hanyu , Jiang Yanjie , Li Xueying TITLE=Association between penicillin allergy labels and serious adverse events in hospitalized patients: a systematic review and meta-analysis JOURNAL=Frontiers in Pharmacology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2024.1519522 DOI=10.3389/fphar.2024.1519522 ISSN=1663-9812