@misc{indiciae59ea7eaacc83,
  title = {The QRS complex.},
  author = {D M Krikler},
  year = {1990},
  doi = {10.1111/j.1749-6632.1990.tb37288.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/2145795/},
  note = {Source identifier: 2145795}
}