Valentini R, Martino M, Piovan G, De Fabrizio G, Fancellu G. Proximal cut-out in pertrochanteric femural fracture. Acta Biomed. 2014;85(2):144-151. Accessed April 23, 2026. https://www.mattioli1885journals.com/index.php/actabiomedica/article/view/3433