Hedbeck, C. J., Blomfeldt, R., Lapidus, G., Törnkvist, H., Ponzer, S., & Tidermark, J. (2011). Unipolar hemiarthroplasty versus bipolar hemiarthroplasty in the most elderly patients with displaced femoral neck fractures: A randomised, controlled trial. Springer-Verlag.

Hedbeck, Carl Johan, Richard Blomfeldt, Gunilla Lapidus, Hans Törnkvist, Sari Ponzer, and Jan Tidermark. Unipolar Hemiarthroplasty Versus Bipolar Hemiarthroplasty in the Most Elderly Patients With Displaced Femoral Neck Fractures: A Randomised, Controlled Trial. Springer-Verlag, 2011.

Hedbeck, Carl Johan, et al. Unipolar Hemiarthroplasty Versus Bipolar Hemiarthroplasty in the Most Elderly Patients With Displaced Femoral Neck Fractures: A Randomised, Controlled Trial. Springer-Verlag, 2011.