Biazzo, A., C. Cardile, L. Brunelli, P. Ragni, and D. Clementi. “Early Results for Treatment of Two- and Three-Part Fractures of the Proximal Humerus Using Contours PHP (proximal Humeral Plate)”. Acta Bio Medica Atenei Parmensis, Vol. 88, no. 1, Apr. 2017, pp. 65-73, doi:10.23750/abm.v88i1.5193.