V. Vestergaad, A. B. Pedersen, P. T. Tengberg, A. Troelsen, and H. M. Schrøder, “20-year trends of distal femoral, patellar, and proximal tibial fractures: a Danish nationwide cohort study of 60,823 patients”, ActaO, vol. 91, no. 1, pp. 109–114, Dec. 2019.