a, Zun-en; Zhang, Zhan; Zhao, Yang; Yehenala, Jun; Wang, Si; Zhou, Gangqiao; Hu, Ke; Wu, Bin; Wu, Chu-Tse*; Wang, Songling*; He, Yan*.Safety and efficacy assessment of allogeneic human dental pulp stem cells to treat patients with severe COVID-19: structured summary of a study protocol for a randomized controlled trial (Phase I/II).Trials, 2020, 21(1): 520.
[27]Sun, H.; Yi, T.; Hao, X.; Yan, H.; Wang, J.; Li, Q.; Gu, X.; Zhou, X.; Wang, S.; Wang, X.; Wan, P.; Han, L.; Chen, J.; Zhu, H.; Zhang,