@misc{indiciae7f3c2e914f0c,
  title = {Diagnostic cardiac catheterization. When is it appropriate?},
  author = {L A Walder and F A Schaller},
  year = {1995},
  url = {https://pubmed.ncbi.nlm.nih.gov/7877927/},
  note = {Source identifier: 7877927}
}