@misc{indiciaea6fb86847244,
  title = {Programmed left ventricular contrast injection. A method to minimize left ventricular irritability during angiography.},
  author = {J H Caldwell and J W Kennedy},
  year = {1977},
  doi = {10.1016/s0002-8703(77)80305-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/835460/},
  note = {Source identifier: 835460}
}