@misc{indiciae087ad5258b38,
  title = {The sinus node as a servomechanism.},
  author = {T N James},
  year = {1973},
  doi = {10.1161/01.res.32.3.307},
  url = {https://pubmed.ncbi.nlm.nih.gov/4570754/},
  note = {Source identifier: 4570754}
}