@misc{indiciae47e2b35e4930,
  title = {[Understanding clinical trials in COPD].},
  author = {P Calverley},
  year = {2005},
  doi = {10.1016/s0761-8425(05)85605-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/16294172/},
  note = {Source identifier: 16294172}
}