Vetuschi, Antonella, et al. “Targeted Disruption of Smad3 Confers Resistance to the Development of Dimethylnitrosamine -Induced Hepatic Fibrosis in Mice”. Italian Journal of Anatomy and Embryology, vol. 115, no. 1/2, Nov. 2010, p. 176, doi:10.36253/ijae-4561.