Matsumoto, Fujio, Guy Trudel, and Hans K Uhthoff. “High Collagen Type I and Low Collagen Type III Levels in Knee Joint Contracture”. Acta Orthopaedica 73, no. 3 (January 1, 2002): 335–343. Accessed May 13, 2026. https://actaorthop.org/actao/article/view/19909.