@misc{indiciaed791f7211fa5,
  title = {P-WAVE SYNCHRONY.},
  author = {S E STEPHENSON and S K BROCKMAN},
  year = {1964},
  doi = {10.1111/j.1749-6632.1964.tb53160.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/14206812/},
  note = {Source identifier: 14206812}
}