For citations:
Kozlova E.V., Bulycheva I.V., Fedorova A.V., Sushentsov E.A., Kovaleva O.V., Kushlinskii N.E. Differentiated chondrosarcoma, variants of transformation of the sarcomatous component of the tumor. Bone and soft tissue sarcomas, tumors of the skin. 2023;15(1):44-56. (In Russ.) https://doi.org/10.17650/2219-4614-2023-15-1-44-56