@misc{indiciaeec7f274b5017,
  title = {Prototype cryosurgical probe.},
  author = {P McKelvie and O H Shabeen},
  year = {1967},
  doi = {10.1136/bmj.4.5575.351},
  url = {https://pubmed.ncbi.nlm.nih.gov/6053622/},
  note = {Source identifier: 6053622}
}