@misc{indiciae3a1cecd7c088,
  title = {"Pseudo sinus" premature contractions.},
  author = {W Van Mieghem},
  year = {1973},
  doi = {10.1378/chest.64.1.111},
  url = {https://pubmed.ncbi.nlm.nih.gov/4123908/},
  note = {Source identifier: 4123908}
}