TY JOUR TI Review of Radiation Technologies for the Treatment of Covid-19 Coronavirus Infection KW coronavirus 2019-nCoV (SARS-CoV-2) KW radiation technologies KW low-dose radiation therapy KW radiation risk JO Medical Radiology and radiation safety AU Sarapultseva, E.I. AU Garmash, A.A. AU Gromushkina, E.V. AU Gameeva, E.V. AU Maksarova, D.D. PY 2021 IS 66 PB Federal Medical Biological Agency of Russia