AUTHOR=Wei Heng , Liu Yueyang TITLE=Research on the selection of OTC drug supply chain sales models: based on medical insurance policy JOURNAL=Frontiers in Public Health VOLUME=13 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2025.1484635 DOI=10.3389/fpubh.2025.1484635 ISSN=2296-2565