@misc{indiciae32bdf1550ef5,
  title = {Contraceptive technique.},
  author = {M SEIN},
  year = {1953},
  doi = {10.1016/s0140-6736(53)90409-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/13098045/},
  note = {Source identifier: 13098045}
}