@misc{indiciae0364b972c381,
  title = {Theophylline for COPD.},
  author = {P J Barnes},
  year = {2006},
  doi = {10.1136/thx.2006.061002},
  url = {https://pubmed.ncbi.nlm.nih.gov/16936233/},
  note = {Source identifier: 16936233}
}