@misc{indiciae4d9fcfc86c60,
  title = {Current research in steroid contraception.},
  author = {E T Tyler},
  year = {1969},
  doi = {10.1530/jrf.0.0200319},
  url = {https://pubmed.ncbi.nlm.nih.gov/4186798/},
  note = {Source identifier: 4186798}
}