“Hypoxia-Induced Modulation of OCT-4, SOX-2, NANOG, and KLF-4 Expression in Mesenchymal Stem Cells”. International Journal of Cell and Biomedical Science, vol. 3, no. 9, Oct. 2025, pp. 282-9, https://doi.org/10.59278/cbs.v3i9.62.