ZC K, D KI, S T, F E, CA G, K O, et al. Three Critical COVID-19 Cases Treated with Mesenchymal Stem Cells: A Case Series Report. acmcr [Internet]. 2021 Jan. 4 [cited 2026 Jun. 15];5(1):8-42. Available from: https://fortunejournals.org/ojs/index.php/acmcr/article/view/22441