@misc{indiciaeb2f05050f25f,
  title = {Postcoital contraception.},
  author = {C W Emmens},
  year = {1970},
  doi = {10.1093/oxfordjournals.bmb.a070742},
  url = {https://pubmed.ncbi.nlm.nih.gov/4904686/},
  note = {Source identifier: 4904686}
}