@misc{indiciae2c64fe2d5dd2,
  title = {Cardiac catheterization.},
  author = {M H Pappworth},
  year = {1970},
  doi = {10.1136/bmj.3.5715.163-b},
  url = {https://pubmed.ncbi.nlm.nih.gov/5431092/},
  note = {Source identifier: 5431092}
}