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Comment
. 2009 May;64(5):458; author reply 458-9.

Quantifying physical activity in COPD: different measures for different purposes

D Langer, F Pitta, T Troosters, C Burtin, M Decramer, R Gosselink
  • PMID: 19401493
Comment

Quantifying physical activity in COPD: different measures for different purposes

D Langer et al. Thorax. 2009 May.
No abstract available

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