@misc{indiciae5ed86a451fca,
  title = {Electrocardiogram changes with intrauterine contraceptive device insertion.},
  author = {D Acker and F H Boehm and D E Askew and H Rothman},
  year = {1973},
  doi = {10.1016/0002-9378(73)90390-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/4685495/},
  note = {Source identifier: 4685495}
}