@misc{indiciae05d08631f546,
  title = {Preventing PPC.},
  author = {B R Celli and G L Snider},
  year = {1985},
  doi = {10.1378/chest.88.3.481-a},
  url = {https://pubmed.ncbi.nlm.nih.gov/4028865/},
  note = {Source identifier: 4028865}
}