@misc{indiciae81bd9a161f79,
  title = {Oxitropium bromide improves exercise performance in patients with COPD.},
  author = {A Ikeda and K Nishimura and H Koyama and N Sugiura and T Izumi},
  year = {1994},
  doi = {10.1378/chest.106.6.1740},
  url = {https://pubmed.ncbi.nlm.nih.gov/7988193/},
  note = {Source identifier: 7988193}
}