Intended for healthcare professionals

Letters Coronary artery disease: screen or treat?

Authors’ reply to Perry

BMJ 2016; 353 doi: (Published 12 April 2016) Cite this as: BMJ 2016;353:i2031
  1. Darrel P Francis, professor1,
  2. Graham D Cole, specialty registrar1
  1. 1International Centre for Circulatory Health, National Heart and Lung Institute, Imperial College London, London W2 1LA, UK
  1. d.francis{at}

We thank Perry for raising the interesting difference between research trials where both patients and staff are blinded to whether the tablet is really a statin and everyday practice where patients and doctors know whether a statin is being taken.1 2 In the blinded trials, there …

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