Violi, V., Costi, R., De Bernardinis, M., Pavlidis, C., & Roncoroni, L. (2014). Volume-outcome relationship in colon cancer surgery: another biased logical short cut towards questionable centralization policies. Acta Biomedica Atenei Parmensis, 84(3), 171-180. https://mattioli1885journals.com/index.php/actabiomedica/article/view/3068