AUTHOR=Jiang Lan , Huang Qian , Shi Zhongquan , Yang Yi TITLE=Bibliometric analysis of rhein in the treatment of tumors JOURNAL=Frontiers in Oncology VOLUME=15 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1550016 DOI=10.3389/fonc.2025.1550016 ISSN=2234-943X