@misc{indiciae41a203be0739,
  title = {Combination bronchodilator therapy.},
  author = {G M Shenfield},
  year = {1982},
  doi = {10.2165/00003495-198224050-00004},
  url = {https://pubmed.ncbi.nlm.nih.gov/6129123/},
  note = {Source identifier: 6129123}
}