Pham, Liem Hieu, Ngoc Bich Vu, and Phuc Van Pham. “The Subpopulation of CD105 Negative Mesenchymal Stem Cells Show Strong Immunomodulation Capacity Compared to CD105 Positive Mesenchymal Stem Cells”. Biomedical Research and Therapy 6, no. 4 (April 30, 2019): 3131-3140. Accessed August 8, 2022. http://www.bmrat.org/index.php/BMRAT/article/view/538.