TY JOUR TI Dosimetric Paradox of Background Subtracting and Method of its Resolution KW radionuclides KW radiation KW dose KW background KW risk KW individual KW distribution KW uncertainty KW expected value KW median KW dispersion KW randomness KW protocol JO ANRI AU Obesnyuk, V.F. PY 2020 IS PB Scientific-Production Enterprise “Dosa”