@misc{indiciae1fb432fe333c,
  title = {Air in the tubes.},
  author = {R P Clark},
  year = {1977},
  doi = {10.1016/s0140-6736(77)92817-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/67372/},
  note = {Source identifier: 67372}
}