Comment on

• Prognostic factors in high-grade osteosarcoma of the extremities or trunk: an analysis of 1,702 patients treated on neoadjuvant cooperative osteosarcoma study group protocols.

  Bielack SS, Kempf-Bielack B, Delling G, Exner GU, Flege S, Helmke K, Kotz R, Salzer-Kuntschik M, Werner M, Winkelmann W, Zoubek A, Jürgens H, Winkler K. Bielack SS, et al. J Clin Oncol. 2002 Feb 1;20(3):776-90. doi: 10.1200/JCO.2002.20.3.776. J Clin Oncol. 2002. PMID: 11821461 Clinical Trial.
• Postoperative nomogram for 12-year sarcoma-specific death.

  Kattan MW, Leung DH, Brennan MF. Kattan MW, et al. J Clin Oncol. 2002 Feb 1;20(3):791-6. doi: 10.1200/JCO.2002.20.3.791. J Clin Oncol. 2002. PMID: 11821462