Yong M, Jensen AO, Jacobsen JB, Nørgaard M, Fryzek JP, Sørensen HT. The prognostic implications of bone metastases and skeletal-related events on breast cancer survival: A population-based cohort study in Denmark (1999-2007). American Society of Clinical Oncology Breast Cancer Symposium. San, Francisco, CA. October 8-10, 2009.