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  1. Calum MacRae
  1. Correspondence to Dr Calum MacRae, Cardiology Division, Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02115, USA; camacrae{at}

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The Author's reply Dr Anderson’s letter in response to this editorial seems to have overinterpreted the phrase ‘naked eye’.1 I used the phrase, in what I had hitherto thought was its typical application, as a figure of speech for visual perception without the aid of a means of …

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  • Competing interests None.

  • Provenance and peer review Commissioned; internally peer reviewed.

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