Rossi, Luigi, Angelo Zullo, Federica Zoratto, Anselmo Papa, Martina Strudel, Maria Colonna, and Silverio Tomao. “Chemotherapy and Target Therapy As Neo-Adjuvant Approach for Initially Unresectable Colorectal Liver Metastases”. Oncology Reviews 6, no. 1 (June 14, 2012): e6. Accessed February 20, 2020. https://www.oncologyreviews.org/index.php/or/article/view/oncol.2012.e6.