@misc{indiciaece4ed107aa41,
  title = {Luteal contraception.},
  author = {L Kovács},
  year = {1988},
  doi = {10.1093/oxfordjournals.humrep.a136669},
  url = {https://pubmed.ncbi.nlm.nih.gov/3281964/},
  note = {Source identifier: 3281964}
}