title: CT: time to face the facts.
authors.forename: Richard S
authors.initials: RS
authors.lastname: Heilman
mesh_terms: D001822:Body Burden; D004781:Environmental Exposure / Q000009:adverse effects*; D006801:Humans; D011832:Radiation Injuries / Q000209:etiology* / Q000517:prevention & control*; D011835:Radiation Protection; D012062:Relative Biological Effectiveness; D018570:Risk Assessment / Q000379:methods*; D012307:Risk Factors; D014057:Tomography, X-Ray Computed / Q000009:adverse effects* / Q000639:trends*