“Hypoxia-Induced Mesenchymal Stem Cell-Derived Exosome Enhance TGF-β, PDGF, and Hair Growth in Alopecia-Like Rat Models”. Biosaintifika: Journal of Biology & Biology Education, vol. 18, no. 1, Apr. 2026, pp. 104-15, https://doi.org/10.15294/biosaintifika.v18i1.28431.