Chano, T., Matsumoto, K., Ishizawa, M., Morimoto, S., Hukuda, S., & Okabe, H. (1994). Periosteal osteosarcoma and parosteal chondrosarcoma evaluated by double immunohistochemical staining: Report of 2 cases. Acta Orthopaedica, 65(3), 355–358. https://doi.org/10.3109/17453679408995471