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  1. David S Sanders, consultant gastroenterologist1,
  2. Andrew D Hopper, SpR gastroenterology1,
  3. John S Leeds, gastroenterology research fellow1,
  4. Marios Hadjivassiliou, consultant neurologist1
  1. 1Royal Hallamshire Hospital, Sheffield S10 2JF
  1. david.sanders{at}sth.nhs.uk

    With reference to the study reported by Korponay-Szabó et al,1 we do not know the natural history of screen detected patients with coeliac disease.2 Although the investigation process for population screening and case finding maybe the same, there is an important ethical difference between them, largely to do with who identifies the patient as ill.

    We …

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