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Letters Your results may vary

Medicine, so far from an exact science

BMJ 2020; 368 doi: (Published 26 March 2020) Cite this as: BMJ 2020;368:m1188
  1. Pablo Millares Martin, GP
  1. Whitehall Surgery, Leeds LS12 5SG, UK
  1. pablo.martin{at}

McCormack and Holmes’s article clearly shows how far the practice of medicine is from an exact science, how much it is still an art dependent on the performer.1

In medical school we are taught not to treat the test but the patient, but test results, even repeated, may simply show physiological variation and not …

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