A. K. B. Wikerøy, P.-H. Randsborg, E. Aas, H. F. S. Fuglesang, and R. B. Jakobsen, “Cost-effectiveness analysis of locking nail compared with locking plate for displaced 3- and 4-part proximal humerus fractures: a secondary analysis of a randomized trial comparing the Multiloc nail and PHILOS plate”, ActaO, vol. 96, pp. 806–813, Oct. 2025.