For citations:
Musaev E.R., Sofronov D.I., Sushentsov E.A., Babkin N.S., Fedorova A.V., Shipakhin S.A. Secondary chondrosarcoma of pelvis. Case report and review of literature. Bone and soft tissue sarcomas, tumors of the skin. 2017;(4):17-22. (In Russ.)