Avagliano, Angelica, et al. “Spheroids from Human Primary Skin Myofibroblasts As Experimental System for Myofibroblast Deactivation Studies”. Italian Journal of Anatomy and Embryology, vol. 122, no. 1, Oct. 2017, p. 17, https://oajournals.fupress.net/index.php/ijae/article/view/1721.