<span>Evaluating the methodology of studies conducted during the global COV</span><span>ID-19 pandemic: A systematic review of randomized controlled trials</span>

Meng-zhu Zhao, Chen Zhao, Shuang-shuang Tu, Xu-xu Wei, Hong-cai Shang

Journal of Integrative Medicine . 2021, (4): 317 -326 . DOI: 10.1016/j.joim.2021.03.003