Assertion: radiation's source | /r/HasProperty | radium
Facets:
Source sentences:
text: Sources of radiation that may be of particular concern to health care personnel include: radioactive substances such as radium and cobalt-60 that are used as implants and serve as internal sources of radiation; external sources of radiation such as x-ray machines and cobalt-60 therapy units; and liquid radioisotopes such as iodine-131 and suspensions of radioactive gold or phosphorus.
text: Sources of radiation that may be of particular concern to health care personnel include: radioactive substances such as radium and cobalt-60 that are used as implants and serve as internal sources of radiation; external sources of radiation such as x-ray machines and cobalt-60 therapy units; and liquid radioisotopes such as iodine-131 and suspensions of radioactive gold or phosphorus.