References
- Chow E, Hird A, Velikova G et al. The European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire for patients with Bone Metastases: The EORTC QLQ-BM22. Eur. J. Cancer DOI: 10.1016/j.ejca.2008.11.013 (2008) (Epub ahead of print).
- Patient Reported Outcomes and Behavioural Evidence (PROBE) www.eortc.be/probe/index.htm