Donzelli, Elisabetta, et al. “ERK1 and ERK2 Involvement in Human Mesenchymal Stem Cells Adipogenic Differentiation”. Italian Journal of Anatomy and Embryology, vol. 115, no. 1/2, Nov. 2010, p. 59, https://oajournals.fupress.net/index.php/ijae/article/view/4444.