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Decline of COPD exacerbations in clinical trials over two decades - a systematic review and meta-regression.

Stefan AndreasChristian RöverJudith HeinzSebastian StraubeHenrik WatzTim Friede
Published in: Respiratory research (2019)
PROSPERO 2018 CRD4218118823.
Keyphrases
  • chronic obstructive pulmonary disease
  • clinical trial
  • lung function
  • cystic fibrosis
  • phase ii
  • open label
  • double blind
  • study protocol
  • randomized controlled trial