A. L. Solano Urrutia, R. Hernández Martínez, N. Matos Aybar, and F. Angarita Maldonado, “Results of revision surgery for hip hemiarthroplasties used to manage proximal femur fractures”, Rev. Colomb. Ortop. Traumatol., vol. 26, no. 4, pp. 252–257, Dec. 2012.