Trehalose and ascorbic acid improves the Cryopreservation of umbilical Cord Blood hematopoietic stem Cells (CD34+) with low Concentrations of Dimethylsulfoxide. Iraqi j. cancer med. genet. [Internet]. 2011 Jun. 1 [cited 2025 Jul. 2];4(1):57-62. Available from: https://ijcmg.uomustansiriyah.edu.iq/index.php/ijcmg/article/view/58