Vidar Opland

Cemented versus Uncemented Hemiarthroplasty for Displaced Femoral Neck Fractures: 5-year Followup of a Randomized Trial

F. Frihagen, L. Nordsletten, J. Madsen, 2014, Clinical orthopaedics and related research.

Cemented versus Uncemented Hemiarthroplasty for Displaced Femoral Neck Fractures

F. Frihagen, L. Nordsletten, J. Madsen, 2009, Clinical orthopaedics and related research.

Screw Fixation Versus Hemiarthroplasty for Nondisplaced Femoral Neck Fractures in Elderly Patients: A Multicenter Randomized Controlled Trial

F. Frihagen, J. Šaltytė Benth, Filip C. Dolatowski, 2019, The Journal of bone and joint surgery. American volume.