N. Asysyifa, H. Wibowo, M. Abdullah, I. K. Liem, and A. Bustami, “In Vitro Anti-inflammatory Effect of Secretome from Umbilical Cord-derived Mesenchymal Stem Cells in COVID-19 Patient Blood: A Study on sIL-6R, sgp130, IL-1RA and Anti/pro Inflammatory Cytokines”, JLMH, vol. 5, no. 5, pp. 967-977, Oct. 2024.