AUTHOR=Zeng Xindian , Chen Lijie , Chen Lu TITLE=Analysis of health expenditures in China from 2000 to 2019 compared with the world and upper-middle-income countries JOURNAL=Frontiers in Public Health VOLUME=Volume 12 - 2024 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2024.1464214 DOI=10.3389/fpubh.2024.1464214 ISSN=2296-2565