@misc{indiciae0731edb6376e,
  title = {Ipratropium bromide.},
  author = {K L Massey and V P Gotz},
  year = {1985},
  doi = {10.1177/106002808501900102},
  url = {https://pubmed.ncbi.nlm.nih.gov/3155676/},
  note = {Source identifier: 3155676}
}