For citations:
Musaev I.R., Davidov M.M., Komarov I.G., Sushencov E.A., Safronov D.I., Setdikov R.A. Combined approach in the treatment of patients with nerogenic retroperitoneal tumors with sacral canal invasion. Bone and soft tissue sarcomas, tumors of the skin. 2014;(3-4):52-57. (In Russ.)