Pedrazzini, A., F. Calderazzi, N. Bertoni, and F. Ceccarelli. 2008. “Cosmetic Amputation of the Fourth Ray As Possible Outcome of Thetraumatic Amputation of the Ring Finger Injury: A Case Report”. Acta Biomedica Atenei Parmensis 79 (3): 227-32. https://mattioli1885journals.com/index.php/actabiomedica/article/view/1253.