%0 Journal Article %A S. Spinnelli %T EXTERNAL VALIDATION OF A TOOL FOR THE ESTIMATION OF LIFE EXPECTANCY IN PATIENTS WITH SKELETAL METASTASES: DECISION ANALYSIS AND COMPARISON OF THREE MAJOR INTERNATIONAL PATIENT POPULATIONS %D 2017 %J Orthopaedic Proceedings %P 111-111 %V 99-B %N SUPP_9 %R 10.1302/1358-992X.99BSUPP_9.EORS2015-111 %U https://doi.org/10.1302/1358-992X.99BSUPP_9.EORS2015-111 %K Research