@misc{indiciaeb7f3e7dd9ab4,
  title = {Beta blockers and COPD.},
  author = {J W Jenne},
  year = {1980},
  doi = {10.1378/chest.78.5.675},
  url = {https://pubmed.ncbi.nlm.nih.gov/6107216/},
  note = {Source identifier: 6107216}
}