@misc{indiciaea95361c473bb,
  title = {[Vectorcardiographic changes appearing during selective coronary arteriography].},
  author = {R Valentini and L Gregorini and G Baccelli and A Libretti},
  year = {1973},
  url = {https://pubmed.ncbi.nlm.nih.gov/4807493/},
  note = {Source identifier: 4807493}
}