@misc{indiciaeb006bdacf93c,
  title = {Normal chest excursion.},
  author = {B Carlson},
  year = {1973},
  doi = {10.1093/ptj/53.1.10},
  url = {https://pubmed.ncbi.nlm.nih.gov/4682695/},
  note = {Source identifier: 4682695}
}