TY JOUR TI Investigation of the Microelement Content of Intervertebral Disc in Osteochondrosis of the Lumbar Spine KW osteochondrosis KW disc herniation KW intervertebral discs KW neutron activation analysis KW microelements JO Medical Radiology and radiation safety AU Kochkartaev, S.S. AU Danilova, E.A. AU Shatursunov, S.S. AU Osinskaya, N.S. PY 2022 IS 67 PB Federal Medical Biological Agency of Russia