@misc{indiciae46863be99ff9,
  title = {Computerized servomechanism for increasing coronary flow.},
  author = {P B Callaghan and D H Watkins},
  year = {1967},
  doi = {10.1016/0002-9610(67)90147-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5603336/},
  note = {Source identifier: 5603336}
}