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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.