TY JOUR TI Risk of Various Types of Cataracts in a Cohort of Mayak Workers Following Chronic Occupational Exposure to Ionizing Radiation KW ionizing radiation KW chronic exposure KW Mayak PA workers KW posterior subcapsular cataract KW cortical cataract KW nuclear cataract KW sex differences JO Medical Radiology and radiation safety AU Azizova, T.V. AU Hamada, N.. AU Grigor'eva, E.S. AU Bragin, E.V. PY 2020 IS 65 PB Federal Medical Biological Agency of Russia