AUTHOR=Wang Chenhui , Yan Mengwei , Li Yuru , Han Lei , Wang Hongqian , Jia Shufeng , Liu Xingchen , Liu Yang , Wu Fan , Wang Baoguo TITLE=Hydrogen-oxygen mixture inhalation as an adjunctive treatment to home-based exercise in older patients with knee osteoarthritis: an open-label, blinded-endpoint, randomized controlled trial JOURNAL=Frontiers in Pharmacology VOLUME=16 YEAR=2025 URL=https://www.frontiersin.org/journals/pharmacology/articles/10.3389/fphar.2025.1505922 DOI=10.3389/fphar.2025.1505922 ISSN=1663-9812