“Hypoxia-Induced Mesenchymal Stem Cell-Derived Exosome Enhance TGF-β, PDGF, and Hair Growth in Alopecia-Like Rat Models” (2026) Biosaintifika: Journal of Biology & Biology Education, 18(1), pp. 104–115. doi:10.15294/biosaintifika.v18i1.28431.