For citations:
Sokolovskiy A.V., Votyakova O.M., Nikolaev A.P., Musaev I.R. Comparison and reliability of prognostic scoring systems in patients with multiple myeloma and plasmocytoma of spinal column. Bone and soft tissue sarcomas, tumors of the skin. 2013;(1):11-14. (In Russ.)