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-- See Also the narrower term Actinide elements

-- See Also the narrower term Nuclear fuels

-- See Also the narrower term Radioactive fallout

-- See Also the narrower term Radioactive pollution

-- See Also the narrower term Radioactive pollution of the atmosphere

-- See Also the narrower term Radioactive substances in soils

-- See Also the narrower term Radioactive wastes

-- See Also the narrower term Radioisotopes

--subdivision Isotopes under individual elements and groups of elements for works discussing collectively the radioactive isotopic forms of those elements as well as for works on individual numbered radioisotopes of those elements, e.g. Uranium--Isotopes

-- See Also the narrower term Radium