Hietaniemi, Kalevi, Matti U K Lehto, and Pekka Paavolainen. “Major Fibrillar Collagens and Fibronectin in an Experimental Nonunion: An Immunohistochemical Study”. Acta Orthopaedica 69, no. 5 (January 1, 1998): 545–549. Accessed April 24, 2026. https://actaorthop.org/actao/article/view/20679.