Radioactive isotopes can be short-lived.Logical formLearned from20 sentences. A reactor may produce medical isotopes.Logical formLearned from20 sentences. An isotope can be given.Logical formLearned from19 sentences. An isotope can be constituted-of-or-filled-with carbon.Logical formLearned from19 sentences. An (isotope polonium-210) can be rare.Logical formLearned from19 sentences. Medical isotopes can be radioactive.Logical formLearned from19 sentences. An isotope can be stable.Logical formLearned from18 sentences. Isotopes may undergo an application.Logical formLearned from18 sentences. Stable isotopes may undergo an application.Logical formLearned from18 sentences. Isotopes may be used.Logical formLearned from17 sentences. Isotopes can be exotic.Logical formLearned from17 sentences. Isotopes may undergo concentration.Logical formLearned from17 sentences. An isotope can be constituted-of-or-filled-with oxygen.Logical formLearned from17 sentences. An isotope may undergo concentrations.Logical formLearned from17 sentences. An isotope can be constituted-of-or-filled-with plutonium.Logical formLearned from17 sentences.