Kristoffersen, M. H., Dybvik, E., Steihaug, O. M., Bartz-Johannesen, C. A., Martinsen, M. I., Ranhoff, A. H., . . . Gjertsen, J. (2019). Validation of orthopaedic surgeons’ assessment of cognitive function in patients with acute hip fracture. BMC Musculoskelet Disord.

Kristoffersen, Målfrid Holen, Eva Dybvik, Ole Martin Steihaug, Christoffer Andreas Bartz-Johannesen, Mette Irene Martinsen, Anette Hylen Ranhoff, Lars Birger Engesæter, et Jan-Erik Gjertsen. "Validation of Orthopaedic Surgeons’ Assessment of Cognitive Function in Patients With Acute Hip Fracture." BMC Musculoskelet Disord 2019.

Kristoffersen, Målfrid Holen, et al. "Validation of Orthopaedic Surgeons’ Assessment of Cognitive Function in Patients With Acute Hip Fracture." BMC Musculoskelet Disord 2019.