Effectiveness and safety of adjunctive non-drug measures in improving respiratory symptoms among patients with severe COVID-19: A multicenter randomized controlled trial

Xuan Yin, Zhu Jin, Feng Li, Li Huang, Yan-mei Hu, Bo-chang Zhu, Zu-qing Wang, Xi-ying Li, Jian-ping Li, Lixing Lao, Yi-qun Mi, Shi-fen Xu

Journal of Integrative Medicine . 2024, (6): 637 -644 . DOI: 10.1016/j.joim.2024.09.002