Sassoli, Chiara, et al. “Regulation of MMP2 and MT1-MMP MMP14 Expression in Mesenchymal Stromal Cells: A Role for the Bioactive Lipid Sphingosine 1-Phosphate”. Italian Journal of Anatomy and Embryology, vol. 120, no. 1, Sept. 2015, p. 133, doi:10.36253/ijae-4087.