For citations:
Boulytcheva I.V., Bertoni F., Bacchini P., Sollacc C., Brandao I., Araujo F., Kalil R.K. Extra-axial chordoma. Modern pathology. Clinical presentation of two cases. Bone and soft tissue sarcomas, tumors of the skin. 2016;(2):16-26. (In Russ.)