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Isotopeshareofgammadosewithcmconcreteatchernobyl. Isotope share of the dose due to external gamma rays from idealised Chernobyl fallout against time Image Isotopeshareofgammadosewithcmconcreteatchernobyl en user Cadmium en Cadmium Image Isotopeshareofgammadosewithcmconcreteatchernobyl Check categories November en Falloutshelter