@misc{indiciaee94d7d645414,
  title = {Recent advances in contraception.},
  author = {R P Shearman},
  year = {1981},
  doi = {10.5694/j.1326-5377.1981.tb135318.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/7231248/},
  note = {Source identifier: 7231248}
}