TY JOUR TI Radiation Safety of Population: Experience and Ways of Improvement KW population KW radiation safety KW health physics monitoring KW health physics regulation KW Chernobyl accident KW protective measures JO Medical Radiology and radiation safety AU Shandala, N.K. AU Korenkov, I.P. AU Lyaginskaya, A.M. AU Kiselev, S.M. AU Kvacheva, Y.E. AU Metlyaev, E.G. AU Parinov, O.V. AU Titov, A.V. AU Semenova, M.P. AU Zozul, Y.N. AU Zinovieva, N.V. PY 2021 IS 66 PB Federal Medical Biological Agency of Russia