Assertion: astatine's isotope | /r/ObjectUse | used in medicine
Facets:
Source sentences:
text: None of the many short-lived isotopes used in medicine exist in nature; they have to be artificially produced by nuclear reactions," said Bruce Marsh, a resonance ionization laser ion source team member.
text: None of the many short-lived isotopes used in medicine exist in nature; they have to be artificially produced by nuclear reactions," said Bruce Marsh, a resonance ionization laser ion source team member.