@misc{indiciae50cfb82e6950,
  title = {Catheter valves.},
  author = {N J Parr and S D Pye and G Campbell},
  year = {1993},
  doi = {10.1111/j.1464-410x.1993.tb16241.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/10071569/},
  note = {Source identifier: 10071569}
}