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Original article
External validation of blood eosinophils, FENO and serum periostin as surrogates for sputum eosinophils in asthma
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Authors

  1. Correspondence to A H Wagener, Department of Respiratory Medicine, F5-260, Academic Medical Center (AMC), University of Amsterdam, Meibergdreef 9, Amsterdam 1105 AZ, The Netherlands; a.h.wagener{at}amc.nl
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Citation

Wagener AH, de Nijs SB, Lutter R, et al
External validation of blood eosinophils, FENO and serum periostin as surrogates for sputum eosinophils in asthma

Publication history

  • Received April 28, 2014
  • Revised October 6, 2014
  • Accepted October 24, 2014
  • First published November 24, 2014.
Online issue publication 
January 14, 2015

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