@misc{indiciae80f70c9bd802,
  title = {A multipurpose sounding cannula.},
  author = {P B Edmonds and J R Cruse},
  year = {1967},
  doi = {10.1016/0002-9378(67)90483-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/6021300/},
  note = {Source identifier: 6021300}
}