@misc{indiciae792323975b0a,
  title = {The provocative test and their diagnostic value in sinus node failure.},
  author = {H C Yan},
  year = {1984},
  doi = {10.1177/000331978403500802},
  url = {https://pubmed.ncbi.nlm.nih.gov/6476473/},
  note = {Source identifier: 6476473}
}