AUTHOR=Guo Yiwei , Tan Jialong , Shi Weigui , Bai Jing , Wang Jian TITLE=Relationship between multimorbidity treatment burden and chronic disease self-efficacy in the elderly population of China JOURNAL=Frontiers in Medicine VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2025.1521189 DOI=10.3389/fmed.2025.1521189 ISSN=2296-858X