Kestendjieva, S.; Kostadinova, M.; Chervenkov, M.; Mourdjeva, M.; Djerov, L.; Stoyanova, E. Differences in the Expression of OCT4A, SOX2, and NANOG in Human Mesenchymal Stem/Stromal Cells Derived from Adipose Tissue and Umbilical Cord. C. R. Acad. Bulg. Sci. 2026, 79, 954–962.