Observations derived from film packs used in a nation-wide x-ray exposure study.
D005069:Evaluation Studies as Topic; D005471:Fluoroscopy / Q000009:adverse effects*; D006306:Health Surveys; D006801:Humans; D011832:Radiation Injuries / Q000453:epidemiology; D011859:Radiography / Q000009:adverse effects*; D011861:Radiography, Dental / Q000009:adverse effects*; D014481:United States; D014492:United States Public Health Service