Assertion: computed tomography's use | /r/HasProperty | transported reasonable distance
Facets:
value: before use
type: TEMPORAL
Source sentences:
text: This limitation restricts clinical PET primarily to the use of tracers labelled with fluorine-18, which has a half-life of 110 minutes and can be transported a reasonable distance before use, or to rubidium-82 (used as rubidium-82 chloride) with a half-life of 1.27 minutes, which is created in a portable generator and is used for myocardial perfusion studies.