@misc{indiciaefa11f1004bc7,
  title = {Progesterone-only contraceptives.},
  author = {M Bodin},
  year = {1972},
  doi = {10.1016/s0140-6736(72)91081-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/4113444/},
  note = {Source identifier: 4113444}
}