AUTHOR=Yang Xiao , Li Yuxuan , Tang Kun TITLE=Understanding social integration and health outcomes among China's internal migrants: a systematic review JOURNAL=Frontiers in Public Health VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1536526 DOI=10.3389/fpubh.2025.1536526 ISSN=2296-2565