@misc{indiciae8306a25526f7,
  title = {Cardiac catheterization.},
  author = {A B SHAFFER and L N KATZ},
  year = {1959},
  doi = {10.1016/s0025-7125(16)34160-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/13643128/},
  note = {Source identifier: 13643128}
}