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Correspondence
Coffee brewing technique as a confounder in observational studies

Authors

  1. Correspondence to Dr Christopher D Hingston, Department of Critical Care Directorate, University Hospital of Wales, Heath Park, Cardiff CF14 4XW, UK; chris{at}hingston.me.uk
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Citation

Hingston CD, Wise MP
Coffee brewing technique as a confounder in observational studies
Heart 2015;101:1686.

Publication history

  • First published July 7, 2015.
Online issue publication 
May 30, 2016

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