@misc{indiciae3ff0c842ba1a,
  title = {Contraceptives.},
  author = {P A Corfman and C Djerassi},
  year = {1970},
  doi = {10.1126/science.167.3923.1315},
  url = {https://pubmed.ncbi.nlm.nih.gov/5467060/},
  note = {Source identifier: 5467060}
}