Assertion: ionizing radiation's effect | /r/AtLocation | the use of x-rays
Facets:
Source sentences:
text: Acute effects of radiation were first observed in the use of X-rays when Wilhelm Röntgen intentionally subjected his fingers to X-rays in 1895.
text: Acute effects of radiation were first observed in the use of X-rays when Wilhelm Röntgen intentionally subjected his fingers to X-rays in 1895.