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Background Radiation

The background radiation levels.


  • Excess radiation exposure may cause cancer. - 507
  • About two-thirds of all cancer patients will receive radiation therapy. The average patient receiving external beam radiation therapy receives 29 treatments. - 508
  Key words: Background, Background-Radiation, Radiation  


Topics from our world ...


  External related links to the world ...  

CDC Radiation Emergencies |
 CDC Radiation Emergencies |

bt.cdc.gov/radiation/index.asp - 812
The American Society for Radiation Oncology
 The American Society for Radiation Oncology

astro.org - 813
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