@misc{indiciae9e78da188454,
  title = {Left heart catheterization with special reference to the transseptal method.},
  author = {P G Nixon and H Ikram},
  year = {1966},
  doi = {10.1136/hrt.28.6.835},
  url = {https://pubmed.ncbi.nlm.nih.gov/5926426/},
  note = {Source identifier: 5926426}
}