Tao, Jianxin, Yunjuan Nie, Hui Wu, Liang Cheng, Yuanwang Qiu, Juanjuan Fu, and Xiufeng Jiang. “Umbilical Cord Blood-Derived Mesenchymal Stem Cells in Treating a Critically Ill COVID-19 Patient”. The Journal of Infection in Developing Countries 14, no. 10 (October 31, 2020): 1138–1145. Accessed November 28, 2024. https://jidc.org/index.php/journal/article/view/33175709.