Human amniotic fluid stem cells (hAFSCs) expressing p21 and cyclin D1 genes retain excellent viability after freezing with (dimethyl sulfoxide) DMSO. Biomol Biomed [Internet]. 2019 Feb. 12 [cited 2024 Apr. 28];19(1):43-51. Available from: https://www.bjbms.org/ojs/index.php/bjbms/article/view/2912