Sabbah, Majeed Arsheed, Noor Farhan Shamkhi, and Sabah N. Alwachi. 2011. “Trehalose and Ascorbic Acid Improves the Cryopreservation of Umbilical Cord Blood Hematopoietic Stem Cells (CD34+) With Low Concentrations of Dimethylsulfoxide”. Iraqi Journal of Cancer and Medical Genetics 4 (1): 57-62. https://doi.org/10.29409/ijcmg.v4i1.58.