T. B. Kristensen, T. Vinje, L. I. Havelin, L. B. Engesæter, and J.-E. Gjertsen, “Posterior approach compared to direct lateral approach resulted in better patient-reported outcome after hemiarthroplasty for femoral neck fracture”, ActaO, vol. 88, no. 1, pp. 29–34, Jan. 2017.