C. R. . Müller, S. . Smeland, H. C. F. Bauer, G. . Sæter, and H. . Strander, “Interferon-α as the only adjuvant treatment in high-grade osteosarcoma: Long term results of the Karolinska Hospital series”, AO, vol. 44, no. 5, pp. 475–480, Jan. 2005.