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Letters High sensitivity cardiac troponin assay

Laboratory tests seldom give certainty

BMJ 2019; 365 doi: (Published 16 April 2019) Cite this as: BMJ 2019;365:l1719
  1. Martin B Whyte, clinical senior lecturer1,
  2. Philip Kelly, consultant physician2
  1. 1Department of Clinical and Experimental Medicine, University of Surrey, Guildford GU2 7WG, UK
  2. 2Department of Medicine, King’s College Hospital, London SE5 9RS, UK
  1. m.b.whyte{at}

The use or overuse of diagnostic testing—particularly laboratory testing—is a question for our time, as ever more novel biomarkers are at our disposal.12 …

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