@misc{indiciae6671ad8f3f73,
  title = {Atrial and ventricular synchrony: the engineering-physiology interface.},
  author = {J W Keller},
  year = {1969},
  doi = {10.1111/j.1749-6632.1969.tb34147.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5263823/},
  note = {Source identifier: 5263823}
}