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Hemiarthroplasty compared to internal fixation with percutaneous cannulated screws as treatment of displaced femoral neck fractures in the elderly: cost-utility analysis performed alongside a randomized, controlled trial.
Waaler Bjørnelv GM, Frihagen F, Madsen JE, Nordsletten L, Aas E. Waaler Bjørnelv GM, et al. Osteoporos Int. 2012 Jun;23(6):1711-9. doi: 10.1007/s00198-011-1772-1. Epub 2011 Oct 14. Osteoporos Int. 2012. PMID: 21997224 Clinical Trial.
Long-Term Oncologic Outcomes After Laparoscopic Versus Open Resection for Colorectal Liver Metastases : A Randomized Trial.
Aghayan DL, Kazaryan AM, Dagenborg VJ, Røsok BI, Fagerland MW, Waaler Bjørnelv GM, Kristiansen R, Flatmark K, Fretland ÅA, Edwin B; OSLO-COMET Survival Study Collaborators. Aghayan DL, et al. Among authors: waaler bjornelv gm. Ann Intern Med. 2021 Feb;174(2):175-182. doi: 10.7326/M20-4011. Epub 2020 Nov 17. Ann Intern Med. 2021. PMID: 33197213 Clinical Trial.