For citations:
Zamilov M.M., Menshikov K.V., Musin Sh.I., Sultanbayev A.V., Sharifgaliev I.A., Osokin S.V., Chalov V.S. Clinical case of treatment of secondary chondrosarcoma developed due to Ollier disease. Bone and soft tissue sarcomas, tumors of the skin. 2023;15(1):66-71. (In Russ.) https://doi.org/10.17650/2219-4614-2023-15-1-66-71