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 - Wang, Chenhui; Yan, Mengwei; Li, Yuru; Han, Lei; Wang, Hongqian; Jia, Shufeng; Liu, Xingchen; Liu, Yang; Wu, Fan; Wang, Baoguo (Frontiers in Pharmacology, 2025)