@misc{indiciaeb52b7b96fe27,
  title = {Variable-frequency cardiac pacemaker for use with the trained, unanesthetized dog.},
  author = {E J Reininger and E J Hinchey},
  year = {1968},
  doi = {10.1152/jappl.1968.24.4.580},
  url = {https://pubmed.ncbi.nlm.nih.gov/5643409/},
  note = {Source identifier: 5643409}
}