Porta, C., and M. De Amici. “How to Predict the Development of Hepatocellular Carcinoma in Cirrhotic Patients. Despite Recent Advances, the Search Continues”. Oncology Reviews, Vol. 1, no. 4, Dec. 2011, pp. 187-8, https://oncologyreviews.org/index.php/or/article/view/oncol.2007.187.