Rubak, Jens M., Mikko Poussa, and Vejho Ritsilá. “Chondrogenesis in Repair of Articular Cartilage Defects by Free Periosteal Grafts in Rabbits”. Acta Orthopaedica 53, no. 2 (January 1, 1982): 181–186. Accessed July 8, 2026. https://actaorthop.org/actao/article/view/28650.