Medical radiation: too much of a good thing?
D000075202:Contraindications; D003952:Diagnostic Imaging / Q000379:methods*; D006801:Humans; D009381:Neoplasms, Radiation-Induced / Q000209:etiology / Q000517:prevention & control*; D011832:Radiation Injuries / Q000209:etiology / Q000517:prevention & control*; D011835:Radiation Protection / Q000379:methods; D011859:Radiography / Q000592:standards; D011878:Radiotherapy / Q000592:standards; D018570:Risk Assessment; D017751:Safety Management / Q000379:methods*; D014481:United States