@misc{indiciae706c8c7d393a,
  title = {Contraception-21.},
  author = {M F Fathalla},
  year = {1999},
  doi = {10.1016/s0020-7292(99)00141-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/10661736/},
  note = {Source identifier: 10661736}
}