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CT radiation doses
  1. K McHugh
  1. Radiology Department, Great Ormond Street Hospital for Children, London WC1N 3JH, UK;

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The hazards of computed tomography (CT), in terms of radiation, are being increasingly recognised. CT scanning, despite representing less than 5% of the total number of x ray procedures performed, contributes approximately 40% of the total collective radiation dose to the UK population from all medical x ray examinations.1 It is well known that children are more radiosensitive than adults—for example, a 1 year old infant is 10–15 times more likely than a 50 year old adult to develop …

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