Umbilical Cord Mesenchymal Stem Cells Secretome in Osteoarthritis Patients: A Case Report . Gema Lingkungan Kesehatan, [S. l.], v. 23, n. 4, p. 600–604, 2025. DOI: 10.36568/. Disponível em: https://gelinkes.poltekkes-surabaya.ac.id/index.php/gelinkes/article/view/245. Acesso em: 11 feb. 2026.