@misc{indiciaedd14c28ed230,
  title = {The sinus node.},
  author = {T N James},
  year = {1977},
  doi = {10.1016/0002-9149(77)90048-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/930844/},
  note = {Source identifier: 930844}
}