Respiratory rehabilitation in elderly patients with COVID-19: A randomized controlled study
Complementary Therapies in Clinical Practice (2020) - Comments
doi: 10.1016/j.ctcp.2020.101166  issn: 1744-3881  pubmed: 32379637  issn: 1873-6947 

Kai Liu, Weitong Zhang, Yadong Yang, Jinpeng Zhang, Yunqian Li, Ying Chen