Endrinaldi, E., E. Darwin, N. Zubir, and G. Revilla. “The Effect of Mesenchymal Stem Cell Wharton’s Jelly on Matrix Metalloproteinase-1 and Interleukin-4 Levels in Osteoarthritis Rat Model”. Open Access Macedonian Journal of Medical Sciences, vol. 7, no. 4, Feb. 2019, pp. 529-35, doi:10.3889/oamjms.2019.152.