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Licensing diagnostic tests may benefit everyone

BMJ 2005; 330 doi: (Published 02 June 2005) Cite this as: BMJ 2005;330:1330
  1. Eric S Kilpatrick, consultant in chemical pathology (
  1. Hull Royal Infirmary, Hull HU3 2JZ

    EDITOR—Gluud and Gluud compare the introduction of new diagnostic tests with that of a new drug.1 However, laboratory diagnostic tests need only to prove that they are able to measure a given analyte, not that the measurement is of any use in managing patients. An inappropriately used test may have “side effects” leading to a delay in diagnosis or further …

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