AUTHOR= TITLE=Expression of concern: Preparation of Mn/Mg/Ce ternary ozone catalyst and its mechanism for the degradation of printing and dyeing wastewater JOURNAL=Frontiers in Energy Research VOLUME=Volume 13 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/energy-research/articles/10.3389/fenrg.2025.1701421 DOI=10.3389/fenrg.2025.1701421 ISSN=2296-598X