@misc{indiciae549885c85ea8,
  title = {An electric pneumograph.},
  author = {B NORDENSTROM},
  year = {1956},
  doi = {10.3109/00016925609171458},
  url = {https://pubmed.ncbi.nlm.nih.gov/13381549/},
  note = {Source identifier: 13381549}
}