TY JOUR TI OUTSTANDING ISSUES OF ETIOPATHOGENESIS AND DIAGNOSES OF THE ASEPTIC NECROSIS OF THE CONDYLES OF TIBIA AND FEMUR. REVIEW OF LITERATURE KW aseptic necrosis of the condyles of the tibia and femur KW osteonecrosis KW aseptic necrosis of the knee joint KW SPONK KW SONK KW SIFK KW primary osteonecrosis KW secondary osteonecrosis JO Medical Bulletin of the Ministry of Internal Affairs AU TORGAShIN, A.N. AU RODIONOVA, S.S. PY 2025 IS 2025 PB State institution Joint editorial office of the Ministry of Internal Affairs of Russia