@misc{indiciae62270d90450d,
  title = {Electrocardiographic changes during selective coronary angiography.},
  author = {H Grendahl and H Eie and A Nordvik and C Müller},
  year = {1972},
  url = {https://pubmed.ncbi.nlm.nih.gov/5038223/},
  note = {Source identifier: 5038223}
}