A. Widyatmoko, I. Alif, R. C. S. Irawan, F. E. Handoyo, and H. A. Sidiq, “The Effect of Hypoxia on the Soluble Molecules of Human Umbilical Cord-Derived Mesenchymal Stem Cells (UC-MSCs)”, CBS Int. Journal, vol. 1, no. 3, pp. 102-108, Jan. 2023.