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Letter to the Editor
Author's response
  1. Christine F McDonald,
  2. Rosemary P Moore,
  3. David Berlowitz,
  4. Linda Denehy,
  5. Jeffrey J Pretto,
  6. Danny J Brazzale
  1. Correspondence to Christine F McDonald, Institute for Breathing and Sleep, Department of Respiratory and Sleep Medicine, Austin Hospital, Heidelberg, Victoria, Australia; christine.mcdonald{at}

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We thank Garcia-Talavera et al for their interest in our paper.1 We acknowledge their finding, in a group of chronic obstructive pulmonary disease patients with only mild hypoxaemia, of a correlation between early oxyhaemoglobin desaturation during the 6-minute walk test (6MWT) and desaturation over 24 h.2 The 6MWTs performed in our study were carried out according to …

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  • Linked article 158501.

  • Competing interests None.

  • Ethics approval This study was conducted with the approval of the Human Research Ethics Committee, Austin Health, Heidelberg, Victoria, Australia.

  • Provenance and peer review Not commissioned; not externally peer reviewed.

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