@misc{indiciae66a5d641ecfd,
  title = {[Bronchodilation in COPD. How can we increase efficiency?].},
  author = {J M Marín and A Sánchez},
  year = {2004},
  doi = {10.1157/13077786},
  url = {https://pubmed.ncbi.nlm.nih.gov/16137447/},
  note = {Source identifier: 16137447}
}