AUTHOR=Liu QingHua , Zeng Ganhua , Xiong Yu , Xu Chenyang TITLE=A case of massive hematoma: reflections on hypermobile Ehlers-Danlos syndrome JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1514349 DOI=10.3389/fmed.2025.1514349 ISSN=2296-858X