@misc{indiciaed00a1add6470,
  title = {Pacemaker site and myocardial contractility.},
  author = {F J Vagnini and A Gourin and J H Stuckey},
  year = {1966},
  url = {https://pubmed.ncbi.nlm.nih.gov/5960719/},
  note = {Source identifier: 5960719}
}