Deuterium can be an isotope.Logical formLearned from3 sentences. Poisoning can be by a radioactive isotope.Logical formLearned from3 sentences. An (isotope 3he) can be rare.Logical formLearned from3 sentences. Isotopes can be in medicine.Logical formLearned from3 sentences. (Nitrogen isotope ratios) can be stable.Logical formLearned from3 sentences. A content may pertain-to an isotope.Logical formLearned from3 sentences. An isotope may decay.Logical formLearned from3 sentences. Some isotopes of an element may have (chemical properties).Logical formLearned from3 sentences. Water can be for isotopes.Logical formLearned from3 sentences. Materials may contain radioactive isotopes.Logical formLearned from3 sentences. Radioactive isotopes may dispense in (handling facilities).Logical formLearned from3 sentences. Some isotopes can be constituted-of-or-filled-with strontium.Logical formLearned from3 sentences. (Isotope analysis) may undergo a use.Logical formLearned from3 sentences. Radioactive isotopes may undergo a discovery.Logical formLearned from3 sentences. An isotope can be plentiful.Logical formLearned from3 sentences.