| skos:altLabel | - radioactive
- radiolabeled
- unstable
- radioactive material
- radioactive materials
- radioactively
- radiogenic
- unstable nuclei
- radioactive isotopes
- radionucleotide
- radioisotopes
- anthropogenic radionuclides
- radionuclides
- Alpha and fission sources
- Diagnostic radioisotope facility
- Radio 5U
- Radio isotope
- Radioactive isotope
- Radioactive isotopes
- Radioactive material
- Radioisotopes
- Radionuclide Laboratory
- Radionuclide#Neutron deficient
- Radionuclide#Proton deficient
- Radionuclides
- Uses of radionuclides
- alpha and fission sources
- atmospheric radionuclide
- radio isotopes
- radio-isotopes
- radio-isotopic
- radioactive agents
- radioactive element
- radioactive elements
- radioactive fission decay products
- radioactive isotope
- radioactive isotopes.
- radioactive nuclei
- radioactive nuclides
- radioactive substance
- radiogenic isotopes
- radioisotope
- radionuclide
- radionuclide tracer
- radionuclides.
- unstable (i.e. radioactive) ones
- unstable isotopes
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