Lundberg M, Messner K. Decrease in valgus stiffness after medial knee ligament injury: A 4-year clinical and mechanical follow-up study in 38 patients. ActaO [Internet]. 1994 Jan. 1 [cited 2026 May 16];65(6):615-9. Available from: https://actaorthop.org/actao/article/view/21629