Kusuma, Indra, Restu S. Hadi, Bambang Kiranadi, and Arief Boediono. “Trehalose Preincubation Increases Mesenchymal (CD271<sup>+</Sup&gt;) Stem Cells Post-Cryopreservation Viability”. Medical Journal of Indonesia 25, no. 3 (October 14, 2016): 128-35. Accessed March 31, 2020. http://mji.ui.ac.id/journal/index.php/mji/article/view/1273.