@misc{indiciaee26a8194534a,
  title = {Improved design for a transseptal needle.},
  author = {R L Rainbow and E B Raftery and C M Oakley},
  year = {1967},
  doi = {10.1136/hrt.29.3.394},
  url = {https://pubmed.ncbi.nlm.nih.gov/6023731/},
  note = {Source identifier: 6023731}
}