@misc{indiciaefee26381140a,
  title = {Intrauterine contraception.},
  author = {H J Tatum},
  year = {1972},
  doi = {10.1016/0002-9378(72)90828-9},
  url = {https://pubmed.ncbi.nlm.nih.gov/4557644/},
  note = {Source identifier: 4557644}
}