For citations:
Shchelkova O.Yu., Usmanova E.B., Iakovleva M.V., Sofronov D.I., Sushentsov E.A. Psychosocial Factors of the Quality of Life in Cancer Patients after Lower Limb Amputation: Problem Statement and Research Methodology. Bone and soft tissue sarcomas, tumors of the skin. 2020;12(1):53-61. (In Russ.)