AUTHOR=Sun Yaqun , Qiang Yan , Duan Yongxuan , Song Yan TITLE=Impact of the National Drug Price Negotiation policy on the price, usage, and affordability of anticancer medicines in Shandong Province, China JOURNAL=Frontiers in Public Health VOLUME=12 YEAR=2025 URL=https://www.frontiersin.org/journals/public-health/articles/10.3389/fpubh.2024.1368718 DOI=10.3389/fpubh.2024.1368718 ISSN=2296-2565