AUTHOR=Song Jiageng , Zhou Xiang TITLE=Hydrochemical characterization and health risk assessment of shallow groundwater in a northern coalfield of Anhui Province, China JOURNAL=Frontiers in Earth Science VOLUME=12 YEAR=2024 URL=https://www.frontiersin.org/journals/earth-science/articles/10.3389/feart.2024.1368328 DOI=10.3389/feart.2024.1368328 ISSN=2296-6463