TY JOUR TI Levels of Trace Elements in the Affected Area of Bone in The Diagnosis of Osteomyelitis and Osteogenic Sarcoma KW trace elements KW human bone tissue KW osteomyelitis KW osteosarcoma KW differential diagnostics KW neutron activation analysis JO Medical Radiology and radiation safety AU Zaychik, V.E. PY 2018 IS 63 PB Federal Medical Biological Agency of Russia