Wirohadidjojo, Yohanes Widodo, Arief Budiyanto, and Hardyanto Soebono. “Regenerative Effects of Wharton’s Jelly Stem Cells-Conditioned Medium in UVA-Irradiated Human Dermal Fibroblasts”. Malaysian Journal of Medical and Biological Research 5, no. 1 (June 30, 2018): 45–50. Accessed December 4, 2024. https://mjmbr.my/index.php/mjmbr/article/view/449.