AUTHOR=Chen Xi , Zhang Taoran , Li Jun , Yang Xiufen , Luo Lihua , He Han , Huang Yingxiang TITLE=Cloud classrooms enhancing continuing medical education during COVID-19 in China JOURNAL=Frontiers in Medicine VOLUME=10 YEAR=2023 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2023.1174677 DOI=10.3389/fmed.2023.1174677 ISSN=2296-858X