Fernandez-Viña M3,Correa D4,5, Halpert K, Saldarriaga-Gómez S1*†, Hernández-Ruíz A , Quintero Gil C1, Ortega H1,. “Stem Cell Therapy in COVID: Is It Safe?”. International Journal of Medical Science in Clinical Research and Review 3, no. 06 (November 12, 2020): Page : 217–227. Accessed December 22, 2024. http://ijmscrr.in/index.php/ijmscrr/article/view/120.